The periodic table
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This document provides an overview of the periodic table for an honors chemistry class. It discusses the development of the periodic table by John Newlands and others and how elements are organized into periods and groups with similar properties. The document explains how to read information in the periodic table blocks and describes the characteristics of metals, nonmetals, and metalloids. Students are assigned objectives, lessons, and practice activities to learn about the periodic table.
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Periodic table
Dmitri Mendeleev created the periodic table in 1869 by organizing the elements according to their atomic number, allowing elements with similar properties to be grouped together vertically. The periodic table is organized into vertical columns called groups based on valence electrons and horizontal rows called periods based on atomic mass and number. Elements in the same group have the same number of valence electrons and properties become more metallic from left to right and more nonmetallic from top to bottom.
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This document provides information about the periodic table, including its history and key features. It discusses how Dmitry Mendeleev discovered a pattern among the elements based on their atomic mass, which led to the creation of the periodic table. Later, Henry Moseley determined that arranging elements by atomic number (number of protons) better fit the observed patterns. The document then describes the main components of the periodic table including periods and groups, and provides examples of the types of information contained in each square. It also defines metals, non-metals and metalloids, and their distinguishing properties.
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The document discusses the organization of elements in the periodic table. It describes how early chemists like Dobereiner began organizing elements into groups based on their properties. Mendeleev later developed the periodic table by arranging elements in order of increasing atomic mass and placing those with similar properties in the same rows. The modern periodic table is organized by atomic number instead of mass and places elements with similar properties in the same columns. Elements are classified as metals, nonmetals or metalloids based on their general physical and chemical properties.
Organizing elements
Dmitri Mendeleev arranged the 63 known elements in 1869 into the first periodic table by listing their properties on cards and organizing them by increasing atomic mass. He noticed that elements with similar properties fell into patterns. His periodic table had spaces for undiscovered elements that he could predict properties for. The modern periodic table is arranged by atomic number and contains over 100 elements, with elements grouped by periods and families that show recurring trends in chemical and physical properties.
Periodic table
Dmitri Mendeleev created the periodic table in 1869 by ordering the elements according to their atomic number. The periodic table organizes elements vertically into groups with similar properties and horizontally into periods by increasing atomic mass. Elements in the same group have the same number of valence electrons and higher melting/boiling points occur for elements in the middle of the table.
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This document provides directions for a periodic table scavenger hunt activity where students answer questions to learn about the organization and elements of the periodic table. The objectives are to be able to name elements from their symbols and write symbols for element names, describe the arrangement of the periodic table, and distinguish the characteristics of metals, nonmetals, and metalloids. Students are directed to use the periodic table and textbook to find information to answer questions about element names and symbols, families and periods, and types of elements.
Library Classification
Classification involves grouping similar entities together and separating dissimilar entities in a systematic order. Library classification arranges documents by classifying their subjects. It is a translation of the subjects into a preferred artificial language of ordinal numbers for arrangement on shelves or description.
There are various principles, schemes, structures, and devices used in library classification. Some key aspects include facets, isolates, decimals, and mnemonics to aid memory. Works are done at the idea, verbal, and notational planes which can be carried out independently. Various canons also provide guidelines for characteristics, succession, arrays, language use, and notations to build an effective classification system.
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The document summarizes key information about the periodic table and group 1 elements. It discusses the history of the periodic table's development by Mendeleev and his ordering of elements. It also outlines that group 1 elements are the alkali metals, which are good conductors of heat and electricity, reactive with water and oxygen, and form alkaline solutions. Their reactivity increases down the group as they have a single outer electron that they can lose.
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Periodic table
Dmitri Mendeleev created the periodic table in 1869 by organizing the elements according to their atomic number, allowing elements with similar properties to be grouped together vertically. The periodic table is organized into vertical columns called groups based on valence electrons and horizontal rows called periods based on atomic mass and number. Elements in the same group have the same number of valence electrons and properties become more metallic from left to right and more nonmetallic from top to bottom.
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This document provides information about the periodic table, including its history and key features. It discusses how Dmitry Mendeleev discovered a pattern among the elements based on their atomic mass, which led to the creation of the periodic table. Later, Henry Moseley determined that arranging elements by atomic number (number of protons) better fit the observed patterns. The document then describes the main components of the periodic table including periods and groups, and provides examples of the types of information contained in each square. It also defines metals, non-metals and metalloids, and their distinguishing properties.
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The document discusses the organization of elements in the periodic table. It describes how early chemists like Dobereiner began organizing elements into groups based on their properties. Mendeleev later developed the periodic table by arranging elements in order of increasing atomic mass and placing those with similar properties in the same rows. The modern periodic table is organized by atomic number instead of mass and places elements with similar properties in the same columns. Elements are classified as metals, nonmetals or metalloids based on their general physical and chemical properties.
Organizing elements
Dmitri Mendeleev arranged the 63 known elements in 1869 into the first periodic table by listing their properties on cards and organizing them by increasing atomic mass. He noticed that elements with similar properties fell into patterns. His periodic table had spaces for undiscovered elements that he could predict properties for. The modern periodic table is arranged by atomic number and contains over 100 elements, with elements grouped by periods and families that show recurring trends in chemical and physical properties.
Periodic table
Dmitri Mendeleev created the periodic table in 1869 by ordering the elements according to their atomic number. The periodic table organizes elements vertically into groups with similar properties and horizontally into periods by increasing atomic mass. Elements in the same group have the same number of valence electrons and higher melting/boiling points occur for elements in the middle of the table.
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This document provides directions for a periodic table scavenger hunt activity where students answer questions to learn about the organization and elements of the periodic table. The objectives are to be able to name elements from their symbols and write symbols for element names, describe the arrangement of the periodic table, and distinguish the characteristics of metals, nonmetals, and metalloids. Students are directed to use the periodic table and textbook to find information to answer questions about element names and symbols, families and periods, and types of elements.
Library Classification
Classification involves grouping similar entities together and separating dissimilar entities in a systematic order. Library classification arranges documents by classifying their subjects. It is a translation of the subjects into a preferred artificial language of ordinal numbers for arrangement on shelves or description.
There are various principles, schemes, structures, and devices used in library classification. Some key aspects include facets, isolates, decimals, and mnemonics to aid memory. Works are done at the idea, verbal, and notational planes which can be carried out independently. Various canons also provide guidelines for characteristics, succession, arrays, language use, and notations to build an effective classification system.
The periodic table notes
The document summarizes key information about the periodic table and group 1 elements. It discusses the history of the periodic table's development by Mendeleev and his ordering of elements. It also outlines that group 1 elements are the alkali metals, which are good conductors of heat and electricity, reactive with water and oxygen, and form alkaline solutions. Their reactivity increases down the group as they have a single outer electron that they can lose.
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The Periodic Table organizes elements based on their atomic structure and properties. It arranges over 100 elements in a repeating pattern based on their atomic number and mass. Elements are organized into rows called periods and columns called groups, with metals on the left, nonmetals on the right, and metalloids in between. The location of an element on the Periodic Table can predict its properties and reactivity.
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The document provides information about the periodic table of elements. It discusses the historical development of the periodic table from Dobereiner's triads to Mendeleev and Meyer independently developing the first periodic tables. It then explains key features of the modern periodic table including periods and groups, representative elements, metals and nonmetals, and trends in properties like reactivity, metallic character, and atomic radius across periods and down groups. Several activities are provided to help students understand these concepts and trends through sorting and classifying elements.
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2. The periodic table organizes elements into vertical columns called groups with similar properties and horizontal rows called periods. Elements are classified based on their atomic structure and properties like reactivity and atomic radius that vary periodically with atomic number.
3. The periodic table is useful for predicting chemical behaviors and properties of elements based on their location in the table. It provides an organized framework for understanding the relationships between elements and how their properties change
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1. The document discusses the development and importance of the periodic table of elements. It traces the periodic table back to Dobereiner's triads in 1817 and covers contributions by scientists like Newlands, Meyer, Mendeleev and Moseley that led to the modern periodic table.
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3. The document emphasizes that the periodic table is an essential tool for understanding and predicting the behavior of elements and their compounds. It provides a systematic organization of all
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The document provides information about the periodic table including:
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2. The periodic table organizes elements into vertical columns called groups with similar properties and horizontal rows called periods. Elements are classified based on their atomic structure and properties like reactivity and atomic radius that vary periodically with atomic number.
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2. The periodic table organizes elements by atomic number and groups elements with similar properties together. It shows trends like atomic radius decreasing across periods and increasing down groups. The position of an element in the table can reveal information about its chemical properties and reactivity.
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This document provides instructions and notes for a chemistry assignment, including:
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The document summarizes key aspects of the periodic table, including:
1) Mendeleev arranged elements on cards based on properties and discovered a repeating pattern when ordered by atomic mass, leading to the creation of the periodic table.
2) The periodic table shows elements arranged in order of atomic number and classified as metals, nonmetals, and metalloids, with metals having properties like conductivity.
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Dmitri Mendeleev arranged the elements in order of increasing atomic mass in 1869 and discovered repeating patterns in their properties. This became known as the periodic table. Mendeleev predicted properties of elements not yet discovered that would fill gaps in the table. Later, Henry Moseley arranged elements by atomic number in 1914, which better fit the periodic patterns. The periodic table classifies elements as metals, nonmetals, and metalloids based on their location and number of outer electrons. Periods are horizontal rows that show repeating patterns, and groups are vertical columns of elements with similar properties.
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This document discusses modifications to a science lesson on the periodic table for language development. It identifies potential problems for stage 1 language learners, such as too much reading, lack of visuals, complex questions, and long instructions. It recommends strategies like simplifying information, incorporating visuals, translating key terms, giving simple single-step instructions, and including oral repetition of vocabulary. A modified assignment is proposed that focuses on identifying periodic table elements by symbol and name with coloring and copying activities. Helpful online science resources at different reading levels are also provided.
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Matter is made up of elements and compounds. Elements are the simplest form of matter and have unique properties, with 92 occurring naturally. Elements are represented by one or two letter symbols, with the first letter capitalized. Compounds are formed when elements chemically combine. A chemical reaction involves rearranging atoms to form new products. Physical properties can be observed without changing the chemical makeup, while chemical properties involve a chemical change. Density is a physical property that describes how tightly packed matter is and can be used to identify substances or solve problems.
Introduction to Chemistry
This document provides an introduction to chemistry. It discusses that chemistry is the study of matter and the changes matter undergoes. Energy is involved in these changes and transformations. Chemistry can be divided into five traditional areas: analytical, biochemical, inorganic, organic, and physical. Applied chemistry aims to solve practical problems, while pure chemistry pursues knowledge for its own sake. The scientific method involves making observations, forming hypotheses, conducting experiments, and drawing conclusions. Laws describe observable patterns in nature, while theories are explanatory frameworks. The document emphasizes that collaboration and communication are important for scientific progress.
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Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
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Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
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2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
4. BCP, Surveying volume 1
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The periodic table
- 1. Honors Chemistry The Periodic Table The eighth element, starting from a given one, is a kind of repetition of the first, like the eighth note of an octave in music. -John Alexander Newlands, 1865
- 2. Unit Essential Question: How are the properties of element related to arrangement in the periodic table? Image from theperiodictable.com
- 3. The periodic table displays information in squares. They always have the symbol for the element and the atomic number. Almost all have the average atomic mass. Other information can include: the name, the valance structure, density, state at room temperature, boiling point, melting point, electronegativity, ionization energy, and atomic size. You have to use the Key. The Squares Do Interpreting Graphics Check Your Answers Record on Gradesheet Have Mrs. Blank sign-off
- 4. Objectives Explain the development of the periodic table. Explain periods and groups. Use a key to find information in block. Describe the three broad classes of elements. Lesson One LEQ How was the table developed? How are the elements organized? What are the characteristics of metals, nonmetals, and metalloids
- 5. A Short History Who? What did he do? Many other people worked on this topic, what made his unique? What could it stand to be improved? Watch Crash Course in Chemistry #4
- 6. How are the elements organized and how did they get that way? The columns of the table are called ______________, they are numbered 1-_____. They are sometimes referred to as _________________ because the members have similar _______________. The rows of the table are called _________________. They are numbered 1-_____________. In a row, the elements have similar size because they have the same____________.
- 7. Periodic Law Page 157
- 8. Metals, Nonmetals, & Metalloids ~80% if Elements are Metals METALS NONMETALS METALLOIDS PHYSICAL PROPERTIES CHEMICAL PROPERTIES * ALSO CALLED SEMICONDUCTO RS, Web Notes
- 9. Color Code Your Periodic Table (example) * Make a Key Video Tour from BozemanScience Put a box around metalloids. If you have free time check out: Disappearing Spoon Periodic videos
- 11. Filling Orbitals The periodic table can help figure the electron configuration of an element. • Each row corresponds to the principal energy level, the d-orbitals are one less, and the f-orbitals 2 less. • The location of an elements corresponds to the orbitals being filled.
- 12. Practice Do Periodic Table Worksheet Do Family Ties Do Periodic Table Puzzles
- 13. Key Findings / Results 1 6 5 4 3 2 1 0 Test 1 Test 2 Test 3 Test 4 First Second Third
Editor's Notes
- Color code a small table, cut it out and glue into your notes.
- Color copy and paste into your notebook with the written comments. Read page 166 for additional information.