Counting Atoms Day 1
•Download as PPT, PDF•
1 like•167 views
The document provides information about compounds and their formulas. It explains that subscripts in formulas indicate the number of atoms present of each element in a compound. Examples are given of common compounds like calcium carbonate (CaCO3), magnesium hydroxide (Mg(OH)2), and trinitrotoluene explosive (C7H5(NO2)3). The main elements that make up living organisms are identified as carbon, phosphorus, hydrogen, oxygen, nitrogen and sulfur. The document also lists common unit labels for mass, volume, and density.
Report
Share
Report
Share
Recommended
Counting atoms1
The document provides instructions and information for several chemistry-related tasks, including picking up materials from the materials manager, returning items after a time limit, and filling in a chart. It also explains the formula for compounds, indicating the elements and number of atoms present, and provides examples of compound formulas like calcium carbonate, magnesium hydroxide, and trinitrotoluene. The main elements that make up living organisms are identified as carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur.
Counting Atoms Day
The document discusses atoms and counting atoms in compounds. It provides examples of chemical formulas and how to determine the number of each type of atom present. Students are asked to complete an oral presentation on an element describing its atom model, number of protons, neutrons and electrons, and state at room temperature. The main elements that make up living organisms are identified as carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur.
Counting Atoms - Day 1
The document provides instructions and information about an upcoming science lesson on atoms and elements. It includes:
- Instructions for an oral presentation on a student-chosen element where they will describe its atom model, number of protons/neutrons/electrons, element type, and state at room temperature.
- Information about counting atoms in chemical formulas, including examples of calcium carbonate, magnesium hydroxide, and trinitrotoluene.
- A chart for students to complete with the mass and volume unit labels.
- Instructions that any outstanding homework is due by the end of the next period.
Dots Dotsand More Dots
The document discusses Lewis dot structures and the octet rule for drawing molecular structures of nitrogen (N2), oxygen (O2), and fluorine (F2) gases. It explains how to draw the Lewis dot symbols for each atom and connect them to show single, double, and triple bonds. It also provides strategies for drawing Lewis dot structures, such as identifying the central atom and determining the total valence electrons. An example shows how to draw one possible structure for a molecule with the formula C2H4O2 that contains a C=O bond.
Balancing equations
The document provides instructions for balancing chemical equations. It explains that chemical equations must be balanced due to the law of conservation of matter, where atoms cannot be created or destroyed. It discusses the difference between subscripts, which indicate the number of atoms in a molecule, and coefficients, which indicate the number of molecules. The document then demonstrates how to balance equations by counting atoms on each side and using coefficients to make the numbers of each atom equal on both sides of the equation. It provides examples of balancing several chemical equations.
Worksheet 1 mole ratio
For the balanced equation 2H2O2 → 2H2O + O2:
1) For every 2 moles of H2O2 reacted, 2 moles of H2O are produced.
2) For every 2 moles of H2O2 reacted, 1 mole of O2 is produced.
3) For every 2 moles of H2O produced, 1 mole of O2 is produced.
The document then provides examples of stoichiometry calculations using mole ratios from balanced chemical equations.
4.1 Lecture 2008
This document discusses compounds, mixtures, and chemical formulas and structures. It defines compounds as pure substances with chemically bonded elements and constant composition, while mixtures are combinations of pure substances where properties remain but ratios vary. It explains how to read chemical formulas including symbols, subscripts, and coefficients. Different models for depicting chemical structures like ball-and-stick, structural formulas, and space-filling are introduced. The effects of chemical structure like network, bonded ions, and molecular compounds on compound properties such as state, strength, and melting/boiling points are outlined.
Precalculus Trig Study Guide
The document is a trigonometry study guide that provides definitions, formulas, identities, and questions about trigonometric functions including inverse trig functions, the unit circle, graphs of trig functions, and verifying trigonometric identities. It covers topics like inverse functions, reciprocals, the unit circle, laws of sines and cosines, trig function definitions, graphing trig functions, and verifying identities. The study guide provides information and questions to help students review important concepts in trigonometry.
Recommended
Counting atoms1
The document provides instructions and information for several chemistry-related tasks, including picking up materials from the materials manager, returning items after a time limit, and filling in a chart. It also explains the formula for compounds, indicating the elements and number of atoms present, and provides examples of compound formulas like calcium carbonate, magnesium hydroxide, and trinitrotoluene. The main elements that make up living organisms are identified as carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur.
Counting Atoms Day
The document discusses atoms and counting atoms in compounds. It provides examples of chemical formulas and how to determine the number of each type of atom present. Students are asked to complete an oral presentation on an element describing its atom model, number of protons, neutrons and electrons, and state at room temperature. The main elements that make up living organisms are identified as carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur.
Counting Atoms - Day 1
The document provides instructions and information about an upcoming science lesson on atoms and elements. It includes:
- Instructions for an oral presentation on a student-chosen element where they will describe its atom model, number of protons/neutrons/electrons, element type, and state at room temperature.
- Information about counting atoms in chemical formulas, including examples of calcium carbonate, magnesium hydroxide, and trinitrotoluene.
- A chart for students to complete with the mass and volume unit labels.
- Instructions that any outstanding homework is due by the end of the next period.
Dots Dotsand More Dots
The document discusses Lewis dot structures and the octet rule for drawing molecular structures of nitrogen (N2), oxygen (O2), and fluorine (F2) gases. It explains how to draw the Lewis dot symbols for each atom and connect them to show single, double, and triple bonds. It also provides strategies for drawing Lewis dot structures, such as identifying the central atom and determining the total valence electrons. An example shows how to draw one possible structure for a molecule with the formula C2H4O2 that contains a C=O bond.
Balancing equations
The document provides instructions for balancing chemical equations. It explains that chemical equations must be balanced due to the law of conservation of matter, where atoms cannot be created or destroyed. It discusses the difference between subscripts, which indicate the number of atoms in a molecule, and coefficients, which indicate the number of molecules. The document then demonstrates how to balance equations by counting atoms on each side and using coefficients to make the numbers of each atom equal on both sides of the equation. It provides examples of balancing several chemical equations.
Worksheet 1 mole ratio
For the balanced equation 2H2O2 → 2H2O + O2:
1) For every 2 moles of H2O2 reacted, 2 moles of H2O are produced.
2) For every 2 moles of H2O2 reacted, 1 mole of O2 is produced.
3) For every 2 moles of H2O produced, 1 mole of O2 is produced.
The document then provides examples of stoichiometry calculations using mole ratios from balanced chemical equations.
4.1 Lecture 2008
This document discusses compounds, mixtures, and chemical formulas and structures. It defines compounds as pure substances with chemically bonded elements and constant composition, while mixtures are combinations of pure substances where properties remain but ratios vary. It explains how to read chemical formulas including symbols, subscripts, and coefficients. Different models for depicting chemical structures like ball-and-stick, structural formulas, and space-filling are introduced. The effects of chemical structure like network, bonded ions, and molecular compounds on compound properties such as state, strength, and melting/boiling points are outlined.
Precalculus Trig Study Guide
The document is a trigonometry study guide that provides definitions, formulas, identities, and questions about trigonometric functions including inverse trig functions, the unit circle, graphs of trig functions, and verifying trigonometric identities. It covers topics like inverse functions, reciprocals, the unit circle, laws of sines and cosines, trig function definitions, graphing trig functions, and verifying identities. The study guide provides information and questions to help students review important concepts in trigonometry.
Definition of Matter Lab Day 2
The document provides instructions for a science class. It asks students to review definitions related to the states of matter and physical properties. It instructs students to complete a lab using specific materials, and to shade different phases of matter on the periodic table. For homework, students are asked to complete any unfinished work.
Elements, Compounds & Mixtures Fall 2012
This document provides instructions and information about elements, compounds, and mixtures. It begins by listing materials and assignments that are due, including a review on mass, volume, and density, as well as updating an assignment log. It then provides 3 paragraphs that define elements as pure substances made of one type of atom, and notes that most substances contain multiple atom types. It states that the arrangement of atoms determines if a substance is an element, compound, or mixture.
Power Notes Physical vs. Chemical Day -1
This document provides instructions and materials for a chemistry lesson on physical and chemical changes. Students are instructed to bring specific supplies and complete assignments including:
1. Taking notes on physical vs chemical properties and changes using provided examples and explanations.
2. Identifying whether given events are physical or chemical changes and explaining the reasoning.
3. Coming up with their own examples of a physical and chemical event.
4. Answering review questions and completing an online activity to assess understanding.
The lesson emphasizes the differences between physical and chemical changes based on observations of properties before and after the change, and whether new substances are formed. Assignments are due on specified dates for a grade.
Mission Possible Day 4.ping.pong2013
The document provides a checklist of assignments that are due for a class, including completing the Mission Possible packet and sending the presentation by email today, sending an email to the teacher by Wednesday, and finishing the Orientation Guide independently by Thursday. Instructions are given for various assignments like updating an online manager's log, filling out a reflection chart, and returning supplies after a lab. Deadlines and point values are listed for each task.
Elements, Compounds & Mixtures Day 4 fall 2013
This document contains instructions and notes for students on various chemistry topics and assignments. It includes:
- A list of materials needed for an assignment on elements, compounds and mixtures due before Thanksgiving
- Information on retaking a Test #3 and scheduling a time
- Notes on the definitions of elements, compounds and mixtures
- Information on how temperature affects solubility for most and some substances
- Examples of solubility questions
- A checklist of assignments to complete for an elements, compounds and mixtures lab
- A reminder to finish any unfinished assignments before the Thanksgiving break.
Bohr Model vs. Waqve Model & Lewis Dot Day 1
The document provides instructions for students, including scheduling a test retake, collecting parent signatures on corrected tests, and completing assignments on atomic structure models and Lewis dot diagrams. Students are also assigned jobs like materials manager and oral presenter for an upcoming lesson. The document quizzes students on electron configuration, ionic and covalent bonding, and using the periodic table to draw Bohr models and Lewis dot diagrams.
Biotechnology Virtual Lab.Day 2
This science class document outlines the day's assignments and tasks which include:
- Updating assignment grades in log #1
- Continuing work on the biotechnology virtual lab by collecting data from 8 tests and organizing it into a chart comparing different corn types and infestation levels
- Creating a column graph in Google Docs or Excel to display the organized data with corn type on the x-axis and average corn yield per gram on the y-axis.
First Day 1.22.13
This document provides instructions for students on the first day of an 8th grade chemistry class. It includes directions to pick up course materials, where to sit, and an icebreaker activity involving sharing personal details. Students are instructed to complete a paper with boxes to answer handed out questions and turn it in. The document outlines upcoming standardized testing, the teacher's contact information and policies on grading, homework, and tutorials. Students are given a checklist of items to complete and supply donations requested.
Group Project Show What You Know
This document provides instructions and reminders for students about upcoming science assignments. It includes details about donations for a fundraiser, retake opportunities for tests, projects on atomic models, newspaper articles on atomic topics, and game/website options for group work. Students are encouraged to search their homes for recyclable materials to use for assignments.
BioChemical Lab day 1
This document provides instructions for a science lab on biochemistry and biotechnology. Students are told the materials they will need, including lab notebooks and worksheets. They will perform a virtual lab experiment on how the European Corn Borer affects corn yields. The experiment will test four types of corn under similar growing conditions, with the independent variable being different levels of infestation. Students are to collect data on kernel mass from each ear of corn and use this to form a hypothesis on which corn type provides the best yield under infestation. Homework includes corrections for a previous test and collaborating on conclusions for the virtual lab experiment.
Power Notes Phase Changes
This document provides instructions and materials for a science lesson on phases of matter. Students will need a pencil, colored pencils, and their log and power notes handouts stapled together. The power notes cover solids, liquids, gases, plasmas and phase changes. Students are asked to illustrate examples of each phase, label a diagram showing the energy levels of each phase, and answer review questions. The assignment is due next Tuesday.
Balancing equations #1. 2013
The document provides a list of assignments that are due for chemistry class, including balancing equations, test corrections, updating an online log, bringing supplies to class, and completing notes. It also includes vocabulary definitions and steps for balancing chemical equations using the law of conservation of mass. Students are instructed to balance 11 chemical equations and get feedback before completing all assignments.
Mission Possible Day 1.Trading-- 2012
The document outlines assignments that are due for a class, including "Help Me Get to Know You" due today, a signed brochure due tomorrow, an email assignment due next week, and an orientation guide due on Thursday. It also provides a log for students to track assignment details like due dates, points possible, and points earned. The document includes answers to frequently asked questions about class assignments and activities.
Acids & Bases Day 2
The document provides instructions and materials for a chemistry lesson on acids and bases, including notes to be taken, assignments to be completed, and review questions to prepare for an upcoming test. Students are asked to finish notes on acids and bases, color code a data table, and complete an online simulation lab activity on pH and indicator colors. The document also includes review questions covering characteristics of acids, bases, pH scales, and chemical bonds.
Power Notes Atomic Structure - Day 1
This document provides class notes on atomic structure that include:
1) An overview of the basic particles that make up atoms - protons, neutrons, and electrons. It defines their properties like charge and location within the atom.
2) Details on atomic number and mass, and how they relate to the number of protons, neutrons, and electrons in an atom.
3) Explanations of isotopes and how atoms of the same element can have different numbers of neutrons. Hydrogen isotopes are illustrated as an example.
Mission Possible -Day 1 trading 2012
This document provides instructions and due dates for several classroom assignments. It includes:
1) A checklist with assignment names, possible points, and due dates. Help Me Get to Know You is due today.
2) Questions to answer about class assignments and where to find daily activities.
3) Instructions and format for assignment logs to be completed on the class webpage.
4) Details and roles for a group project to design and build a structure using provided materials. Cooperative behavior will be observed and graded.
5) Sample assignment sheets to guide the group project, including observing materials, generating design ideas, and making trades.
Power of the Periodic Table- Day 1
1) The document provides a list of supplies needed including a pencil, colored pencils, and a book to be stapled.
2) It includes a reminder about 7 opportunities to retake a test and where to find the schedule.
3) Diagrams of atoms are shown along with labels for protons, electrons, and neutrons in the nucleus.
Counting Total Atoms + Review of Bohr - Lewis
This document provides instructions and materials for several chemistry-related assignments and activities:
1. Students will need various supplies like pencils, colored pencils, and the periodic table to complete assignments on counting total atoms in compounds, Bohr/Lewis dot reviews, and building molecular models.
2. Other upcoming assignments include completing the computer-based cover and table of contents, a half-page of notes for the final exam, and scheduling a test makeup if needed.
3. Activities include correctly counting atoms in sample molecules, coloring molecular models according to a key, building specified molecular models, and checking materials boxes for a building competition.
Review Labs- Day 1
1. Today's class will involve completing a volume and mass lab worksheet along with updating an online log.
2. Progress notices are due tomorrow and test retakes are offered this week only.
3. Students must clean their lab areas and organize supplies for the next group to avoid a 10 point penalty. They may work with a partner for extra credit by stapling their packets together.
Counting Atoms Spring 2012
The document provides instructions and assignments for students, including completing worksheets on elements, compounds, and mixtures; counting atoms; and updating a log. It also assigns roles for group work including manager, materials manager, timer/designer, and oral presenter. Various chemistry formulas are explained, showing the elements and numbers of atoms that make up different compounds.
Counting Atoms
This document provides instructions for an assignment on counting atoms. It lists the materials needed, which include a pen or pencil, colored pencils/markers/highlighters, and an atoms counting booklet. It explains that quick writes will not be graded but used for participation and honesty. Students can use their brain, class notes, labs, or worksheets, but not the textbook or interactive reader. They have 10 minutes to complete as many questions as possible using a periodic table. Students will self-grade with a colored pencil. The document then provides examples of chemical formulas and their breakdown of elements and subscripts. It notes the main elements in living organisms are carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur
Counting Atoms Day 2
This document provides instructions and materials for a class, including:
1) Requiring students to bring specific worksheets and cards to class on Friday.
2) Reminding students they have new seats.
3) Covering that the main elements in living organisms are carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur.
More Related Content
Viewers also liked
Definition of Matter Lab Day 2
The document provides instructions for a science class. It asks students to review definitions related to the states of matter and physical properties. It instructs students to complete a lab using specific materials, and to shade different phases of matter on the periodic table. For homework, students are asked to complete any unfinished work.
Elements, Compounds & Mixtures Fall 2012
This document provides instructions and information about elements, compounds, and mixtures. It begins by listing materials and assignments that are due, including a review on mass, volume, and density, as well as updating an assignment log. It then provides 3 paragraphs that define elements as pure substances made of one type of atom, and notes that most substances contain multiple atom types. It states that the arrangement of atoms determines if a substance is an element, compound, or mixture.
Power Notes Physical vs. Chemical Day -1
This document provides instructions and materials for a chemistry lesson on physical and chemical changes. Students are instructed to bring specific supplies and complete assignments including:
1. Taking notes on physical vs chemical properties and changes using provided examples and explanations.
2. Identifying whether given events are physical or chemical changes and explaining the reasoning.
3. Coming up with their own examples of a physical and chemical event.
4. Answering review questions and completing an online activity to assess understanding.
The lesson emphasizes the differences between physical and chemical changes based on observations of properties before and after the change, and whether new substances are formed. Assignments are due on specified dates for a grade.
Mission Possible Day 4.ping.pong2013
The document provides a checklist of assignments that are due for a class, including completing the Mission Possible packet and sending the presentation by email today, sending an email to the teacher by Wednesday, and finishing the Orientation Guide independently by Thursday. Instructions are given for various assignments like updating an online manager's log, filling out a reflection chart, and returning supplies after a lab. Deadlines and point values are listed for each task.
Elements, Compounds & Mixtures Day 4 fall 2013
This document contains instructions and notes for students on various chemistry topics and assignments. It includes:
- A list of materials needed for an assignment on elements, compounds and mixtures due before Thanksgiving
- Information on retaking a Test #3 and scheduling a time
- Notes on the definitions of elements, compounds and mixtures
- Information on how temperature affects solubility for most and some substances
- Examples of solubility questions
- A checklist of assignments to complete for an elements, compounds and mixtures lab
- A reminder to finish any unfinished assignments before the Thanksgiving break.
Bohr Model vs. Waqve Model & Lewis Dot Day 1
The document provides instructions for students, including scheduling a test retake, collecting parent signatures on corrected tests, and completing assignments on atomic structure models and Lewis dot diagrams. Students are also assigned jobs like materials manager and oral presenter for an upcoming lesson. The document quizzes students on electron configuration, ionic and covalent bonding, and using the periodic table to draw Bohr models and Lewis dot diagrams.
Biotechnology Virtual Lab.Day 2
This science class document outlines the day's assignments and tasks which include:
- Updating assignment grades in log #1
- Continuing work on the biotechnology virtual lab by collecting data from 8 tests and organizing it into a chart comparing different corn types and infestation levels
- Creating a column graph in Google Docs or Excel to display the organized data with corn type on the x-axis and average corn yield per gram on the y-axis.
First Day 1.22.13
This document provides instructions for students on the first day of an 8th grade chemistry class. It includes directions to pick up course materials, where to sit, and an icebreaker activity involving sharing personal details. Students are instructed to complete a paper with boxes to answer handed out questions and turn it in. The document outlines upcoming standardized testing, the teacher's contact information and policies on grading, homework, and tutorials. Students are given a checklist of items to complete and supply donations requested.
Group Project Show What You Know
This document provides instructions and reminders for students about upcoming science assignments. It includes details about donations for a fundraiser, retake opportunities for tests, projects on atomic models, newspaper articles on atomic topics, and game/website options for group work. Students are encouraged to search their homes for recyclable materials to use for assignments.
BioChemical Lab day 1
This document provides instructions for a science lab on biochemistry and biotechnology. Students are told the materials they will need, including lab notebooks and worksheets. They will perform a virtual lab experiment on how the European Corn Borer affects corn yields. The experiment will test four types of corn under similar growing conditions, with the independent variable being different levels of infestation. Students are to collect data on kernel mass from each ear of corn and use this to form a hypothesis on which corn type provides the best yield under infestation. Homework includes corrections for a previous test and collaborating on conclusions for the virtual lab experiment.
Power Notes Phase Changes
This document provides instructions and materials for a science lesson on phases of matter. Students will need a pencil, colored pencils, and their log and power notes handouts stapled together. The power notes cover solids, liquids, gases, plasmas and phase changes. Students are asked to illustrate examples of each phase, label a diagram showing the energy levels of each phase, and answer review questions. The assignment is due next Tuesday.
Balancing equations #1. 2013
The document provides a list of assignments that are due for chemistry class, including balancing equations, test corrections, updating an online log, bringing supplies to class, and completing notes. It also includes vocabulary definitions and steps for balancing chemical equations using the law of conservation of mass. Students are instructed to balance 11 chemical equations and get feedback before completing all assignments.
Mission Possible Day 1.Trading-- 2012
The document outlines assignments that are due for a class, including "Help Me Get to Know You" due today, a signed brochure due tomorrow, an email assignment due next week, and an orientation guide due on Thursday. It also provides a log for students to track assignment details like due dates, points possible, and points earned. The document includes answers to frequently asked questions about class assignments and activities.
Acids & Bases Day 2
The document provides instructions and materials for a chemistry lesson on acids and bases, including notes to be taken, assignments to be completed, and review questions to prepare for an upcoming test. Students are asked to finish notes on acids and bases, color code a data table, and complete an online simulation lab activity on pH and indicator colors. The document also includes review questions covering characteristics of acids, bases, pH scales, and chemical bonds.
Power Notes Atomic Structure - Day 1
This document provides class notes on atomic structure that include:
1) An overview of the basic particles that make up atoms - protons, neutrons, and electrons. It defines their properties like charge and location within the atom.
2) Details on atomic number and mass, and how they relate to the number of protons, neutrons, and electrons in an atom.
3) Explanations of isotopes and how atoms of the same element can have different numbers of neutrons. Hydrogen isotopes are illustrated as an example.
Mission Possible -Day 1 trading 2012
This document provides instructions and due dates for several classroom assignments. It includes:
1) A checklist with assignment names, possible points, and due dates. Help Me Get to Know You is due today.
2) Questions to answer about class assignments and where to find daily activities.
3) Instructions and format for assignment logs to be completed on the class webpage.
4) Details and roles for a group project to design and build a structure using provided materials. Cooperative behavior will be observed and graded.
5) Sample assignment sheets to guide the group project, including observing materials, generating design ideas, and making trades.
Power of the Periodic Table- Day 1
1) The document provides a list of supplies needed including a pencil, colored pencils, and a book to be stapled.
2) It includes a reminder about 7 opportunities to retake a test and where to find the schedule.
3) Diagrams of atoms are shown along with labels for protons, electrons, and neutrons in the nucleus.
Counting Total Atoms + Review of Bohr - Lewis
This document provides instructions and materials for several chemistry-related assignments and activities:
1. Students will need various supplies like pencils, colored pencils, and the periodic table to complete assignments on counting total atoms in compounds, Bohr/Lewis dot reviews, and building molecular models.
2. Other upcoming assignments include completing the computer-based cover and table of contents, a half-page of notes for the final exam, and scheduling a test makeup if needed.
3. Activities include correctly counting atoms in sample molecules, coloring molecular models according to a key, building specified molecular models, and checking materials boxes for a building competition.
Review Labs- Day 1
1. Today's class will involve completing a volume and mass lab worksheet along with updating an online log.
2. Progress notices are due tomorrow and test retakes are offered this week only.
3. Students must clean their lab areas and organize supplies for the next group to avoid a 10 point penalty. They may work with a partner for extra credit by stapling their packets together.
Viewers also liked (19)
Similar to Counting Atoms Day 1
Counting Atoms Spring 2012
The document provides instructions and assignments for students, including completing worksheets on elements, compounds, and mixtures; counting atoms; and updating a log. It also assigns roles for group work including manager, materials manager, timer/designer, and oral presenter. Various chemistry formulas are explained, showing the elements and numbers of atoms that make up different compounds.
Counting Atoms
This document provides instructions for an assignment on counting atoms. It lists the materials needed, which include a pen or pencil, colored pencils/markers/highlighters, and an atoms counting booklet. It explains that quick writes will not be graded but used for participation and honesty. Students can use their brain, class notes, labs, or worksheets, but not the textbook or interactive reader. They have 10 minutes to complete as many questions as possible using a periodic table. Students will self-grade with a colored pencil. The document then provides examples of chemical formulas and their breakdown of elements and subscripts. It notes the main elements in living organisms are carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur
Counting Atoms Day 2
This document provides instructions and materials for a class, including:
1) Requiring students to bring specific worksheets and cards to class on Friday.
2) Reminding students they have new seats.
3) Covering that the main elements in living organisms are carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur.
Counting Atoms Day 2a
This document provides instructions and information for an upcoming quiz:
1. It lists materials needed for the quiz including star cards, a log book, and seating assignments.
2. Students are reminded that star cards 31-60 are due on Friday and there will be a quiz on just those cards.
3. The final paragraph provides density formulas and definitions of mass, volume, and density units that may be useful to review for the quiz.
This activity is designed to introduce a convenient unit used by.docx
This activity is designed to introduce a convenient unit used by chemists and to illustrate uses of the unit.
Part I: What Is a Mole And Why Are Chemists Interested in It?
Counting things is a normal part of everyday life. How many days left until vacation? How many eggs do I need for the recipe? If large numbers of things are involved, we use grouping
strategies to make the numbers easier to manage. For example, 4 more
weeks
until vacation, tells
us that there are twenty-eight days. One
dozen
eggs is the common way of expressing the quantity
12.
Half of a dozen of anything would be 6 units. One
gross
is 144 items (12 dozen) and a
ream
of paper contain 500 sheets.
Chemist are faced with a unique problem when dealing with numbers of atoms or molecules. The particles are so small that any amount of them that we are able to physically handle contains a number of particles so large that there is nothing else in our experience that contains so many units. This
incredibly
large number calls for a special counting group -
the MOLE.
A
MOLE
is
6.022
x
1023
particles
. This is often referred to as
Avogadro=s
number
. Let=s make sure we understand how big this is. One mole of the element carbon has a mass of 12.01 grams. The smallest particle of an element is an atom. So one mole of carbon contains 602,200,000,000,000,000,000,000 atoms of carbon.
Look for the element carbon on the periodic table. Do you notice anything special about the value 12.01? Explain
The mass of one mole of the element magnesium is 24.30 grams. How many atoms does a sample of magnesium with a mass of 24.30 grams contain?
Stated in general terms, the mass of one mole of any element is equal to the
of that element expressed in grams. The mass of a mole of any element can be found by looking on .
The mass of 0.5000 moles of carbon is and contains
atoms of carbon.
Remember when dividing numbers written in scientific notation the number portion is divided
normally and the exponents are subtracted.
6.022x1023
divided by 2 is the same as 6.022 x1023/2
x
100.
So the answer is found by dividing 6.022 by 2 = 3.011 and the subtracting exponent 0
from exponent 23.
The answer in scientific notation is 3.011x1023
atoms
of carbon.
Calculator tip
: for exponential notation use the EE or EXP key (not 10^)
If you have a bottle containing 8.10 grams of magnesium, how many Mg atoms are present in the bottle? Show your work. What is different about this problem compared to the last one involving carbon?
Remember that some elements, when alone, exist in the form of diatomic molecules: H2, O2, N2, I2, F2, Cl2, Br2, Their smallest piece is a molecule containing two atoms. If one mole of oxygen were required for an experiment you would be using O2 the gas. One mole of O2 would have a mass of
and contain particles (molecules).
The characteristic unit of the compound CO2 is a molecule. Each CO2 molecule has atoms. In order to find the mass .
C3a Structure Of The Atom
The document discusses the structure of atoms. It explains that atoms are made up of a nucleus containing protons and neutrons, surrounded by electrons. The number of protons determines the element, while the number of neutrons determines the isotope. Electrons determine chemical properties and are equal to the number of protons. The periodic table arranges elements in order of atomic number and can be used to look up each element's protons, neutrons, and electrons. Isotopes are variants of the same element with different numbers of neutrons. Compounds contain two or more elements chemically bonded together, and their formulas show the number of atoms of each element. The electronic structure shows how electrons fill different energy levels around the nucleus.
Balancing Equations.pptx
1. Balancing chemical equations involves ensuring there is the same number and type of atoms on both sides of the equation.
2. Atoms are never created or destroyed in a chemical reaction according to the law of conservation of mass.
3. To balance equations, determine the number of atoms for each element, pick an unbalanced element, add coefficients to formulas as needed to balance the number of atoms on each side of the equation.
Intro to atoms (edited for 2018)
Here are the answers to the cold call questions:
1. The three subatomic particles in an atom are protons (with a positive charge of +1), neutrons (with no charge), and electrons (with a negative charge of -1).
2. The two subatomic particles found in the nucleus of an atom are protons and neutrons.
3. Electrons are found orbiting the nucleus of an atom.
4. The number of protons determines the chemical element of an atom.
5. A valence electron is an electron in the outermost electron shell of an atom that is involved in bonding with other atoms.
6. Atomic mass is the average mass of all the known isotopes of
Chemistry - Chp 12 - Stoichiometry - Notes
When 20.0 g of FeS2 reacts with 16.0 g of O2 according to the balanced equation 4FeS2 + 15O2 → 2Fe2O3 + 8SO3:
- O2 is the limiting reagent because it produces the least amount of SO3.
- Using stoichiometry calculations, 16.0 g of O2 can produce 8.0 g of SO3.
- Therefore, the amount of SO3 produced is 8.0 g.
Stoichiometry PowerPoint
This document provides an overview of moles, molar mass, and stoichiometry. It defines a mole as 6.02x1023 particles of an element or compound. Avogadro's number is equal to this quantity of particles. Molecular mass is the mass of one molecule in atomic mass units (amu) while molar mass is the mass of one mole of a substance in grams. Examples are given for calculating molecular and molar mass. The document then discusses balancing chemical equations and using molar ratios from balanced equations to solve stoichiometry problems involving moles, grams, and particles of reactants and products.
Chemistry Chapter 3
The document provides information about atoms and their structure. It defines key terms like protons, neutrons, electrons, nucleus and isotopes. It explains that the number of protons determines the element and distinguishes one atom from another. The mole is also defined as 6.02x10^23 particles and is used to measure amounts of substances on a macroscopic scale. Formulas are given to calculate molar mass and empirical formulas.
CHAPTER 3Atoms,molecules and stoichiometry.pptx
This document provides an introduction and table of contents for a chemistry course book on Cambridge International AS and A Level Chemistry. It covers topics like the mass of atoms and molecules, relative atomic masses, isotopic masses, amount of substance, mole calculation, chemical formulae, solutions, gas volume calculations, and more. The document gives definitions and examples for these concepts. It also provides sample problems and homework questions related to chemical calculations involving moles, masses, and chemical equations.
Fractional Distillation Lesson Resource
Fractional distillation is the process of separating crude oil into its different hydrocarbon fractions based on differences in boiling points. Crude oil is heated in a fractional distillation column, where the lighter hydrocarbon chains evaporate first and condense at the top, while heavier chains remain lower down. This allows fractions like gasoline and kerosene to be isolated for use as fuels or feedstocks. Balancing chemical equations is important for showing the conservation of mass during combustion reactions that produce energy, carbon dioxide, and water from hydrocarbon fuels and oxygen.
Combution
The document discusses combustion and fuels. It defines combustion as the exothermic chemical reaction of a fuel and oxidizer that produces energy. Fuels are evaluated based on their heating value or heat of reaction, which is the amount of energy released during combustion. Air is the most common oxidizer in combustion and is represented as a 21% oxygen, 79% nitrogen mixture for calculations. The molecular weight of air is the sum of the products of the mole fractions and molecular weights of oxygen and nitrogen.
isotopes.ppt
- Isotopes are atoms of the same element that have different masses. For example, chlorine has two naturally occurring isotopes: 35Cl and 37Cl.
- Naturally occurring carbon consists of three isotopes: 12C, 13C, and 14C. 12C has 6 protons, 6 neutrons, and 6 electrons. 13C has 6 protons, 7 neutrons, and 6 electrons. 14C has 6 protons, 8 neutrons, and 6 electrons.
- An atom of zinc with a mass number of 65 has 30 protons and 35 neutrons. A zinc isotope with 37 neutrons would have a mass number of 67.
Chemistry - Chp 20 - Oxidation Reduction - Notes
Oxidation and reduction reactions, also called redox reactions, involve the transfer of electrons between reactants. In redox reactions, one reactant gets oxidized by losing electrons while another reactant gets reduced by gaining electrons. The reactant that loses electrons is the oxidizing agent, while the reactant that gains electrons is the reducing agent. Redox reactions can be identified by changes in oxidation numbers, which are assigned to track electron gains and losses. Balancing redox equations requires splitting the overall reaction into separate half-reactions for oxidation and reduction, then combining the half-reactions by adding electrons to balance charges.
Ch3 z53 stoich
This document discusses atomic mass and isotopes. It begins by explaining that an atomic mass unit (amu) is used to discuss the mass of atoms, where 1 amu is 1/12 the mass of a carbon-12 atom. Atomic masses listed in the periodic table are in amu. Isotopes have different atomic masses that result in the average atomic mass not being a whole number. Examples are provided to demonstrate calculating average atomic masses from the masses and abundances of isotopes.
Mole concept ok1294991357
The document discusses atomic and molecular masses, moles, molar masses, and calculating empirical and molecular formulas. It provides examples of calculating moles from masses and vice versa using molar masses. It also discusses calculating percentage compositions and determining molecular formulas from empirical formulas using molar masses.
Similar to Counting Atoms Day 1 (20)
This activity is designed to introduce a convenient unit used by.docx
This activity is designed to introduce a convenient unit used by.docx
Balancing Chemical Equations Powerpoint General Chemistry 1
Balancing Chemical Equations Powerpoint General Chemistry 1
More from jmori
Air
This document discusses properties of air and gases like oxygen, carbon dioxide, and nitrogen. It asks questions about whether air has mass and can be poured. It also discusses that carbon dioxide molecules are more massive than oxygen or nitrogen molecules because they contain more particles. Additionally, it talks about how gravity affects weight but not mass, and how air resistance and gravity impact falling objects and flying designs.
Glass Challenge
Using only 48 tiny glasses, the challenge was to build the tallest structure possible within 30 minutes. No other details or constraints were provided about the design or construction of the structure for the challenge. The goal was to see how tall of a structure could be created with the limited time and material resources.
Doodling On-Line
This document provides instructions and links for several online art activities:
- The Doodling On-Line and ArtPad links allow users to create and share digital drawings.
- The Art Institute of Chicago website has interactive games where users can identify textures, shapes, and sounds in paintings. Screenshots are to be included of arranging a Cornell box, making a mask, and creating a portrait.
- The Create Your Own Paper Critter and SCRIBBLER links enable designing paper creatures and repeating patterns. Users are encouraged to explore different art forms and senses through these digital art resources.
How Might you Solve this Challenge
There is a process for solving problems/challenges. You will have many opportunities to use your knowledge, imagination and creativity to solve simple to complex challenges.
Complete the Picture
The document encourages using imagination and including zentangle and doodling elements when finishing a picture. It repeats the question "How might you finish the picture?" several times and provides a task of selecting a picture to zentangle or doodle on, with the goal of filling 3/4 of the page using zentangles, doodles, or both.
Bridges -A Brief History
Why might we need bridges? What might be the best materials for bridges? Are there bridges stronger than others? Which cost the most to make?
The World of Doodling
Doodling is a simple drawing done without much focus or attention. It can be representational or abstract shapes. Examples include drawings of robots, monsters, flowers, sports or other topics. Doodling may aid learning by "connecting the dots" in the brain and focusing attention. Videos and websites provide ideas for things to doodle.
Zentangle Exploration #1
The document discusses Zentangling, which is an easy-to-learn method for creating beautiful images through structured patterns that increases focus, creativity, and personal well-being. It provides examples of Zentangles and links to YouTube videos demonstrating simple Zentangle designs that are accessible for anyone to try.
Csi day 2
This document provides instructions for a forensics lab experiment involving testing different powders. Students are asked to bring specific supplies and complete data tables recording their observations of 5 powders using senses, solubility, iodine, and vinegar tests. Precautions are outlined to avoid contamination and ensure clean-up. The multi-step procedures involve taking pinches of each powder and recording 2 observations for each test. Students are told to cut contaminated stir sticks and wash testing trays between uses.
Forensic lab intro
1. The document lists several assignments that are due for a forensic science class, including a progress notice, forensic lab introduction, final exam notes, and a binder check.
2. It also provides background information on forensic science, explaining that it uses science to provide impartial evidence for legal cases and involves gathering and examining information about the past.
3. Key aspects of forensic investigations are making detailed observations at a crime scene.
CSI day 1
This document contains instructions and requirements for a science lab involving the testing of powders. It includes:
1. A list of materials needed for the lab, including powders, testing equipment, and data sheets.
2. Procedures for conducting tests of the powders' properties like solubility, reaction to iodine and vinegar, and recording observations.
3. Reminders about lab safety and cleanliness expectations.
Biochemical calculations
This document provides instructions and reminders for a chemistry class. It includes:
1) A list of materials and assignments needed for class, including biochemical calculations, an updated lab log, and graphs to be created.
2) Reminders about upcoming tests and progress notices.
3) Background information on the most common elements that make up living things.
4) Directions for creating three graphs analyzing body composition and the distribution of elements on Earth.
5) Examples of the completed graphs.
6) A task list of assignments.
7) Instructions to complete homework by the next class period.
Chem reactions. day 2
This document provides instructions and information for a chemistry class. Students are asked to bring specific supplies and complete handouts on chemical reactions. There will be a quiz on chemical reactions with multiple choice questions. Students can use notes but not the textbook. The document defines different types of chemical reactions and has students identify and classify sample reactions. It provides a task list and homework assignments which include completing handouts and enjoying a three day weekend.
Chem reactions
1) The students will need supplies like pencils and colored markers for an activity on chemical reactions. There are also reminders about tests and missing work.
2) Chemical reactions involve substances changing identity as their atoms are rearranged. Four reaction types - synthesis, decomposition, single replacement, and double replacement - are defined along with examples.
3) The class will watch a movie on chemical reactions and complete a chart identifying reaction types using a color-coding system with the given equations. Homework includes finishing any missing work and a worksheet.
Chem reactions
1) The students will need supplies like pencils and colored markers for an activity on chemical reactions. There are also reminders about tests and missing work.
2) Chemical reactions involve substances changing identity as their atoms are rearranged. Four reaction types - synthesis, decomposition, single replacement, and double replacement - are defined along with examples.
3) The class will watch a movie on chemical reactions and complete a chart identifying reaction types using a color-coding system. Homework includes finishing any missing work and a worksheet.
Biotech day 4
This document provides instructions and materials for a science lab on biotechnology and corn crops. Students will collect data from experiments on different types of corn with varying levels of infestation by European corn borer moths. They will analyze the data by calculating averages and constructing a bar graph comparing the corn varieties. The document outlines the steps to organize the data, create the graph in Excel or Google Sheets, and work collaboratively in groups to summarize the findings and make recommendations to farmers.
Biotech day 3a
This document provides instructions for a science lab on analyzing different types of genetically modified corn. Students will collect data on the yield of corn with no, low, or high infestations of European corn borer. They will then create a bar graph comparing the average yields. For the final assignment, student groups will collaborate to create a one-page document summarizing their findings and making a recommendation to farmers about which type of corn seed to invest in.
Biotech day 3
This document provides instructions for a science lab on analyzing different types of genetically modified corn. Students will collect data on the yield of corn with no, low, or high infestations of European corn borer. They will then create a bar graph comparing the average yields. For the final assignment, student groups will collaboratively create a one-page document summarizing their findings and recommending the best type of corn seed for farmers.
Biotech day 2
This document provides instructions for a science lab on biotechnology. Students are asked to complete 8 experiments on different corn crops and their yields under varying levels of infestation. They must organize their average results and construct a bar graph comparing the yields using Excel or Google Docs. The graph and organized data are due tomorrow along with a signed and corrected test.
Biotech day 2
The document provides instructions for a science lab on biotechnology. Students are asked to complete 8 experiments measuring the yield of different types of corn with varying levels of infestation. They must organize their average results and create a bar graph comparing the yields using Excel or Google Docs. The graph and homework are due the next day.
More from jmori (20)
Recently uploaded
How to Create a More Engaging and Human Online Learning Experience
How to Create a More Engaging and Human Online Learning Experience Wahiba Chair Training & Consulting
Wahiba Chair's Talk at the 2024 Learning Ideas Conference. Chapter 4 - Islamic Financial Institutions in Malaysia.pptx
Chapter 4 - Islamic Financial Institutions in Malaysia.pptxMohd Adib Abd Muin, Senior Lecturer at Universiti Utara Malaysia
This slide is special for master students (MIBS & MIFB) in UUM. Also useful for readers who are interested in the topic of contemporary Islamic banking.
The History of Stoke Newington Street Names
Presented at the Stoke Newington Literary Festival on 9th June 2024
www.StokeNewingtonHistory.com
Hindi varnamala | hindi alphabet PPT.pdf
हिंदी वर्णमाला पीपीटी, hindi alphabet PPT presentation, hindi varnamala PPT, Hindi Varnamala pdf, हिंदी स्वर, हिंदी व्यंजन, sikhiye hindi varnmala, dr. mulla adam ali, hindi language and literature, hindi alphabet with drawing, hindi alphabet pdf, hindi varnamala for childrens, hindi language, hindi varnamala practice for kids, https://www.drmullaadamali.com
South African Journal of Science: Writing with integrity workshop (2024)
South African Journal of Science: Writing with integrity workshop (2024)Academy of Science of South Africa
A workshop hosted by the South African Journal of Science aimed at postgraduate students and early career researchers with little or no experience in writing and publishing journal articles.Pollock and Snow "DEIA in the Scholarly Landscape, Session One: Setting Expec...
Pollock and Snow "DEIA in the Scholarly Landscape, Session One: Setting Expec...National Information Standards Organization (NISO)
This presentation was provided by Steph Pollock of The American Psychological Association’s Journals Program, and Damita Snow, of The American Society of Civil Engineers (ASCE), for the initial session of NISO's 2024 Training Series "DEIA in the Scholarly Landscape." Session One: 'Setting Expectations: a DEIA Primer,' was held June 6, 2024.Leveraging Generative AI to Drive Nonprofit Innovation
In this webinar, participants learned how to utilize Generative AI to streamline operations and elevate member engagement. Amazon Web Service experts provided a customer specific use cases and dived into low/no-code tools that are quick and easy to deploy through Amazon Web Service (AWS.)
Reimagining Your Library Space: How to Increase the Vibes in Your Library No ...
Librarians are leading the way in creating future-ready citizens – now we need to update our spaces to match. In this session, attendees will get inspiration for transforming their library spaces. You’ll learn how to survey students and patrons, create a focus group, and use design thinking to brainstorm ideas for your space. We’ll discuss budget friendly ways to change your space as well as how to find funding. No matter where you’re at, you’ll find ideas for reimagining your space in this session.
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...Nguyen Thanh Tu Collection
https://app.box.com/s/tacvl9ekroe9hqupdnjruiypvm9rdaneHow to Make a Field Mandatory in Odoo 17
In Odoo, making a field required can be done through both Python code and XML views. When you set the required attribute to True in Python code, it makes the field required across all views where it's used. Conversely, when you set the required attribute in XML views, it makes the field required only in the context of that particular view.
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Your Skill Boost Masterclass: Strategies for Effective UpskillingExcellence Foundation for South Sudan
Strategies for Effective Upskilling is a presentation by Chinwendu Peace in a Your Skill Boost Masterclass organisation by the Excellence Foundation for South Sudan on 08th and 09th June 2024 from 1 PM to 3 PM on each day.clinical examination of hip joint (1).pdf
described clinical examination all orthopeadic conditions .
Recently uploaded (20)
How to Create a More Engaging and Human Online Learning Experience
How to Create a More Engaging and Human Online Learning Experience
Chapter 4 - Islamic Financial Institutions in Malaysia.pptx
Chapter 4 - Islamic Financial Institutions in Malaysia.pptx
South African Journal of Science: Writing with integrity workshop (2024)
South African Journal of Science: Writing with integrity workshop (2024)
Pollock and Snow "DEIA in the Scholarly Landscape, Session One: Setting Expec...
Pollock and Snow "DEIA in the Scholarly Landscape, Session One: Setting Expec...
Liberal Approach to the Study of Indian Politics.pdf
Liberal Approach to the Study of Indian Politics.pdf
Leveraging Generative AI to Drive Nonprofit Innovation
Leveraging Generative AI to Drive Nonprofit Innovation
Reimagining Your Library Space: How to Increase the Vibes in Your Library No ...
Reimagining Your Library Space: How to Increase the Vibes in Your Library No ...
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Film vocab for eal 3 students: Australia the movie
Film vocab for eal 3 students: Australia the movie
NEWSPAPERS - QUESTION 1 - REVISION POWERPOINT.pptx
NEWSPAPERS - QUESTION 1 - REVISION POWERPOINT.pptx
Counting Atoms Day 1
- 1. You Will Need: 1. Interactive Reader Pgs. 139- 143 – Due Now- Middle Table 2. Worksheet – Due Now – Turn in Tray 3. Atoms-Building Blocks of Matter – Counting Atoms Bookshelf – Please Staple
- 2. The formula for a compound indicates the elements that make up the compound and the number of atoms of each element present in that specific compound. These numbers of atoms are indicated by the use of small numbers called subscripts.
- 3. When a subscript appears outside the parentheses, it indicates that all the elements inside the parentheses should be multiplied by that subscript. Fe(OH) 3
- 4. • Calcium Carbonate = Limestone CaCO3 Ca = Calcium = 1 C = Carbon = 1 O = Oxygen = 3
- 5. • Magnesium Hydroxide Mg(OH)2 Mg = Magnesium= 1 O = Oxygen= 2 H = Hydrogen= 2
- 6. Trinitrotoluene = (TNT) explosive C7H5(NO2)3 C= Carbon = 7 H = Hydrogen = 5 N = Nitrogen = 3 O = Oxygen = 6
- 7. As you look over these compounds you may observe that many of them contain atoms similar _________ of elements. Since carbon we are a ______________ based environment, carbon is found in all living organisms. The elements in the Human Body can be broken down to include the main elements of Hydrogen, Oxygen, Nitrogen, Carbon and representatives from about 20 other elements.
- 8. SIX The _________ main elements that make up most living organisms are Phosphorus Carbon, ________________, Sulfur, Hydrogen __________________, Oxygen and Nitrogen _____________.
- 9. grams •Mass Unit Label =_______________ cm 3 •Volume Unit Labels = ________, mL cc _______ or _______as a unit label g/cm 3 •Density unit label = ___________, g/mL g/cc ________ or __________
- 10. 5 points given: • 2 points for the problem you are inputting into the calculator • 2 points for the answer rounded to the nearest hundreth • 1 point for the unit label
- 11. 1. Counting Atoms – Due by the end of the period tomorrow 2. Anything you still owe me….