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Learning_The_Periodic_Table.ppt
Here are some common elements we use every day:
- Carbon - found in pencils, food, plastics
- Oxygen - we breathe it
- Hydrogen - found in water
- Nitrogen - in the air we breathe
- Calcium - in our bones and teeth
- Sodium - in salt
- Chlorine - in drinking water and swimming pools
- Aluminum - used in cans and foil
- Copper - in wiring and plumbing
- Iron - in foods and construction materials
- Zinc - in galvanization and supplements
- Iodine - added to salt for thyroid health
Learning_The_Periodic_Table.pptggggggggggggggggg
Here are some common elements we use every day:
- Carbon - found in pencils, food, plastics
- Oxygen - we breathe it
- Hydrogen - found in water
- Nitrogen - in the air we breathe
- Calcium - in our bones and teeth
- Sodium - in salt
- Chlorine - in drinking water and swimming pools
- Aluminum - used in cans and foil
- Copper - in wiring and plumbing
- Iron - in foods and construction materials
- Zinc - in galvanization and supplements
- Iodine - added to salt for thyroid health
Learning_The_Periodic_Table.ppt
Here are some common elements we use every day:
- Carbon - found in pencils, food, plastics
- Oxygen - we breathe it
- Hydrogen - found in water
- Nitrogen - in the air we breathe
- Calcium - in our bones and teeth
- Sodium - in salt
- Chlorine - in drinking water and swimming pools
- Aluminum - used in cans and foil
- Copper - in wiring and plumbing
- Iron - in foods and construction materials
- Zinc - in galvanization and supplements
- Iodine - added to salt for thyroid health
Atomic Number.pptSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS...
Here are some common elements we use every day:
- Carbon - found in pencil lead, food, and our bodies
- Oxygen - we breathe it
- Hydrogen - found in water
- Nitrogen - makes up most of the air we breathe
- Calcium - found in bones and milk
- Sodium - found in salt
- Chlorine - used to purify water
- Aluminum - used in cans and foil
- Copper - used in wiring and plumbing
- Iron - found in many foods and our blood
- Zinc - supports immune function and found in ointments
- Iodine - essential for thyroid function and added to salt
Learning_The_Periodic_Table.ppt
Here are some common elements we use every day:
- Carbon - found in pencils, food, plastics
- Oxygen - we breathe it
- Hydrogen - found in water
- Nitrogen - found in air and proteins
- Calcium - found in bones and milk
- Sodium - found in salt
- Chlorine - used to purify water
- Aluminum - used in cans and foil
- Iron - found in foods and used to make steel
- Copper - used in wiring and plumbing
- Zinc - found in vitamins and skin creams
- Iodine - added to salt to prevent deficiencies
- Gold - used in jewelry
- Silver
Ch.10 L 1 using the periodic table.pptx
The document traces the development of the periodic table from early lists of elements compiled by scientists like Lavoisier to Mendeleev's groundbreaking periodic table that included predictive properties. It organized elements by atomic mass and left gaps for undiscovered elements, correctly predicting properties of three. Moseley later reorganized the table by atomic number, establishing the modern periodic table's clear periodic trends when arranged by this property. The document also outlines key properties of metals, nonmetals, and metalloids and how they are grouped on the periodic table.
3 130821054737-phpapp01
Mendeleev arranged the elements in order of increasing atomic mass in a periodic table. He noticed that elements with similar properties fell into recurring patterns, allowing him to predict properties of undiscovered elements. Later, Moseley arranged elements by atomic number, better reflecting their properties. The periodic table organizes elements into metals, nonmetals, and metalloids, which have characteristic physical and chemical properties depending on their group and period.
Recommended
Learning_The_Periodic_Table.ppt
Here are some common elements we use every day:
- Carbon - found in pencils, food, plastics
- Oxygen - we breathe it
- Hydrogen - found in water
- Nitrogen - in the air we breathe
- Calcium - in our bones and teeth
- Sodium - in salt
- Chlorine - in drinking water and swimming pools
- Aluminum - used in cans and foil
- Copper - in wiring and plumbing
- Iron - in foods and construction materials
- Zinc - in galvanization and supplements
- Iodine - added to salt for thyroid health
Learning_The_Periodic_Table.pptggggggggggggggggg
Here are some common elements we use every day:
- Carbon - found in pencils, food, plastics
- Oxygen - we breathe it
- Hydrogen - found in water
- Nitrogen - in the air we breathe
- Calcium - in our bones and teeth
- Sodium - in salt
- Chlorine - in drinking water and swimming pools
- Aluminum - used in cans and foil
- Copper - in wiring and plumbing
- Iron - in foods and construction materials
- Zinc - in galvanization and supplements
- Iodine - added to salt for thyroid health
Learning_The_Periodic_Table.ppt
Here are some common elements we use every day:
- Carbon - found in pencils, food, plastics
- Oxygen - we breathe it
- Hydrogen - found in water
- Nitrogen - in the air we breathe
- Calcium - in our bones and teeth
- Sodium - in salt
- Chlorine - in drinking water and swimming pools
- Aluminum - used in cans and foil
- Copper - in wiring and plumbing
- Iron - in foods and construction materials
- Zinc - in galvanization and supplements
- Iodine - added to salt for thyroid health
Atomic Number.pptSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS...
Here are some common elements we use every day:
- Carbon - found in pencil lead, food, and our bodies
- Oxygen - we breathe it
- Hydrogen - found in water
- Nitrogen - makes up most of the air we breathe
- Calcium - found in bones and milk
- Sodium - found in salt
- Chlorine - used to purify water
- Aluminum - used in cans and foil
- Copper - used in wiring and plumbing
- Iron - found in many foods and our blood
- Zinc - supports immune function and found in ointments
- Iodine - essential for thyroid function and added to salt
Learning_The_Periodic_Table.ppt
Here are some common elements we use every day:
- Carbon - found in pencils, food, plastics
- Oxygen - we breathe it
- Hydrogen - found in water
- Nitrogen - found in air and proteins
- Calcium - found in bones and milk
- Sodium - found in salt
- Chlorine - used to purify water
- Aluminum - used in cans and foil
- Iron - found in foods and used to make steel
- Copper - used in wiring and plumbing
- Zinc - found in vitamins and skin creams
- Iodine - added to salt to prevent deficiencies
- Gold - used in jewelry
- Silver
Ch.10 L 1 using the periodic table.pptx
The document traces the development of the periodic table from early lists of elements compiled by scientists like Lavoisier to Mendeleev's groundbreaking periodic table that included predictive properties. It organized elements by atomic mass and left gaps for undiscovered elements, correctly predicting properties of three. Moseley later reorganized the table by atomic number, establishing the modern periodic table's clear periodic trends when arranged by this property. The document also outlines key properties of metals, nonmetals, and metalloids and how they are grouped on the periodic table.
3 130821054737-phpapp01
Mendeleev arranged the elements in order of increasing atomic mass in a periodic table. He noticed that elements with similar properties fell into recurring patterns, allowing him to predict properties of undiscovered elements. Later, Moseley arranged elements by atomic number, better reflecting their properties. The periodic table organizes elements into metals, nonmetals, and metalloids, which have characteristic physical and chemical properties depending on their group and period.
The Periodic Table
Mendeleev arranged the elements in order of increasing atomic mass in a periodic table. He noticed that elements with similar properties appeared to repeat periodically. This allowed him to predict properties of undiscovered elements and correct properties of known elements. Later, Moseley arranged elements by atomic number, solidifying the periodic law. The periodic table organizes elements into metals, nonmetals, and metalloids and is still used to predict properties of new elements.
Chem 11 Unit 2 FINAL.ppt
This document discusses matter, energy, and their various forms. It defines matter as anything that has mass and takes up space, and energy as the capacity to do work. There are different types of energy including mechanical, thermal, chemical, electrical, and nuclear. Energy can be transferred or converted between forms. The document also discusses the classification of matter into elements, compounds, and mixtures. Elements are made of only one type of atom, while compounds contain two or more elements chemically bonded together. Mixtures can be either homogeneous, containing a uniform composition, or heterogeneous.
The periodic table
The document summarizes key aspects of the periodic table. It describes the table's organization into columns (families) and rows (periods), and how elements in the same family have similar properties and reactivity decreases moving right and down. It then highlights several important families - alkali and alkaline earth metals, which are reactive; transition elements; and noble gases. The document also defines properties of metals and non-metals, as well as metalloids.
Grade 9, U1-L8-Periodic table
The document summarizes key aspects of the periodic table. It describes how the periodic table is organized into horizontal rows called periods and vertical columns called families or groups. Elements within the same group have similar physical and chemical properties. Metals are found on the left and center of the periodic table and have properties like conductivity and malleability. Non-metals are on the right and have varying properties, often gaining electrons in reactions. Metalloids between metals and non-metals have intermediate properties. Different families like alkali metals, halogens, and noble gases are also described in terms of their physical properties and reactivity.
Elements and the periodic table
The periodic table organizes the chemical elements and provides information about their properties and reactions. Elements are arranged in order of increasing atomic number and are grouped together based on similar chemical properties. The position of an element in the periodic table can reveal whether it is a metal, nonmetal, or noble gas, as well as provide details about its reactivity and physical state. Element symbols represent the elements concisely and are typically derived from each element's name.
ELEMENTS.pptx
Elements are the simplest pure substances that cannot be broken down further and are made up of only one type of atom. There are around 110 known elements classified as metals, nonmetals, and metalloids based on their physical properties. Compounds are pure substances composed of two or more chemically bonded elements and have their own unique properties. Compounds differ from elements in that they contain more than one type of element chemically bonded together in fixed ratios and cannot be separated using physical means alone.
Science 8 Quarter 3 WEEK7 Periodic Table of Elements.pptx
The document discusses the key elements of the periodic table including atomic number, atomic mass, and how elements are arranged. It summarizes the contributions of Dmitri Mendeleev and Henry Moseley. Mendeleev arranged elements based on atomic mass and left gaps for undiscovered elements. Moseley discovered that atomic number is fundamental. The periodic table is arranged into periods and groups with metals, nonmetals and metalloids. Different groups of elements are discussed including alkali metals, alkaline earth metals, halogens, and noble gases. Examples are given of elements and their properties.
Element Classification
This document discusses the classification and properties of elements according to their position on the periodic table. It describes the three main groups of elements - metals, nonmetals, and metalloids. Metals are shiny, conductive, malleable, and lose electrons to form positive ions. Nonmetals are dull, poor conductors, brittle, and gain electrons to form negative ions. Metalloids have some properties of both metals and nonmetals. Within these groups, elements are further classified based on their specific properties, such as alkali metals being very reactive and noble gases being stable and unreactive. Hydrogen and helium are also discussed as having unique behaviors compared to other elements.
Metals 1
This document discusses the properties and classification of metals. It begins by defining metals and their key physical properties, such as conductivity, malleability, and ductility. Metals are classified based on these properties and their location on the periodic table. The document then examines different groups of metals in more detail, including alkali metals, alkaline earth metals, transition metals, and metals in other groups. It discusses the reactivity and important examples within each group. The document concludes by covering lanthanides, actinides, and synthetic elements created through nuclear reactions.
Metals.ppt
This document discusses the properties and classification of metals. It begins by describing some physical properties that are common among metals, such as shininess, malleability, ductility, and conductivity. It then discusses how metals are classified based on these properties and their location on the periodic table. The document goes on to explain different groups of metals, including alkali metals, alkaline earth metals, transition metals, and metals in other groups. It concludes by discussing synthetic elements above atomic number 92 that are made artificially in laboratories and particle accelerators.
Metals, non metals, and metalloids
This document provides information about the properties of metals, nonmetals, and metalloids. It defines metals as good conductors of heat and electricity that are shiny, ductile, and malleable. Nonmetals are described as poor conductors that are dull, brittle, and often gases. Metalloids have properties between metals and nonmetals, conducting some heat and electricity but not as well as metals. The document instructs students to color and label their periodic tables accordingly.
Metalsnon metalsandmetalloids
This document provides information about the properties of metals, nonmetals, and metalloids. It defines metals as good conductors of heat and electricity that are shiny, ductile, and malleable. Nonmetals are described as poor conductors that are dull, brittle, and often gases. Metalloids have properties between metals and nonmetals, conducting some heat and electricity but not as well as metals. The document instructs students to color and label their periodic tables accordingly.
Metals and non metals
This document discusses the differences between metals and non-metals. It defines metals as materials that are lustrous, malleable, and good conductors of heat and electricity. Non-metals lack these properties and include materials like carbon and sulfur. The document outlines several physical and chemical properties of metals and non-metals, such as their reactions with water, oxygen, acids, and bases. Metals react with these substances to form oxides, hydroxides, or salts, while non-metals generally do not react or only react under certain conditions.
Elements
This document discusses elements, compounds, and the periodic table of elements. It defines elements as pure substances that cannot be broken down further. Elements have unique physical properties used to classify them, like melting point and density. The periodic table arranges elements according to these properties. It was created by Dmitri Mendeleev and contains 118 elements, showing their atomic number, mass, and whether they exist naturally as solids, liquids or gases. The periodic table is organized into periods and groups, with representative elements like the alkali metals and noble gases. Elements are divided into metals, nonmetals and metalloids based on their physical properties such as conductivity and reactivity.
The Periodic Table
This document provides an overview of the periodic table of elements and key information about each group. It discusses the physical and chemical properties of elements in groups 1-18, including alkali metals, alkaline earth metals, transition metals, and noble gases. Diagrams showing atomic structure (Bohr models and Lewis dot structures) are provided for many elements, along with examples of common compounds and reactions. The periodic trends of atomic radius, ionization energy, and reactivity across periods and down groups are also covered.
Periodic Table Chemistry 5070 (1).pptx
The periodic table arranges elements horizontally by atomic number and vertically into groups with similar properties. Mendeleev created the first periodic table in 1869 arranging 69 known elements by atomic mass. The modern periodic table now contains 115 elements and is arranged by atomic number. Elements in the same group have the same number of valence electrons and form similar types and numbers of bonds. Metals are on the left side of the periodic table and nonmetals on the right. Transition metals are between groups 2 and 3 and have variable oxidation states.
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The document discusses the periodic table, including its organization, development, and the information it provides about elements. It explains that the periodic table arranges elements in rows and columns based on atomic number and properties, allowing predictions about undiscovered elements. Each square lists an element's atomic number, symbol, name, and average atomic mass. The periodic table is organized into periods, groups/families that share similar characteristics, and nonmetals, metals and metalloids.
Unit 1 lesson 13 ppt
The periodic table is a chart that arranges the elements in rows and columns according to their physical and chemical properties. Elements in the same group have similar properties, and an element's location on the periodic table provides information about its properties. Metals are generally located on the left side and middle of the periodic table and have properties such as conductivity and luster, while nonmetals are usually gases or brittle solids found on the right side. Metalloids exhibit some properties of both metals and nonmetals.
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Interactive textbook ch. 4 elements, compounds & mixtures
This document provides an overview of elements, compounds, and mixtures. It begins by defining an element as a pure substance that cannot be separated into simpler substances. Elements are classified as metals, nonmetals, or metalloids based on their physical properties. Compounds are then defined as pure substances composed of two or more elements chemically bonded together in specific ratios. Compounds have unique physical and chemical properties that differ from their component elements. The document concludes by explaining that mixtures are physical combinations of elements or compounds that maintain their individual identities and can typically be separated.
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The Periodic Table
Mendeleev arranged the elements in order of increasing atomic mass in a periodic table. He noticed that elements with similar properties appeared to repeat periodically. This allowed him to predict properties of undiscovered elements and correct properties of known elements. Later, Moseley arranged elements by atomic number, solidifying the periodic law. The periodic table organizes elements into metals, nonmetals, and metalloids and is still used to predict properties of new elements.
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Elements are the simplest pure substances that cannot be broken down further and are made up of only one type of atom. There are around 110 known elements classified as metals, nonmetals, and metalloids based on their physical properties. Compounds are pure substances composed of two or more chemically bonded elements and have their own unique properties. Compounds differ from elements in that they contain more than one type of element chemically bonded together in fixed ratios and cannot be separated using physical means alone.
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The document discusses the key elements of the periodic table including atomic number, atomic mass, and how elements are arranged. It summarizes the contributions of Dmitri Mendeleev and Henry Moseley. Mendeleev arranged elements based on atomic mass and left gaps for undiscovered elements. Moseley discovered that atomic number is fundamental. The periodic table is arranged into periods and groups with metals, nonmetals and metalloids. Different groups of elements are discussed including alkali metals, alkaline earth metals, halogens, and noble gases. Examples are given of elements and their properties.
Element Classification
This document discusses the classification and properties of elements according to their position on the periodic table. It describes the three main groups of elements - metals, nonmetals, and metalloids. Metals are shiny, conductive, malleable, and lose electrons to form positive ions. Nonmetals are dull, poor conductors, brittle, and gain electrons to form negative ions. Metalloids have some properties of both metals and nonmetals. Within these groups, elements are further classified based on their specific properties, such as alkali metals being very reactive and noble gases being stable and unreactive. Hydrogen and helium are also discussed as having unique behaviors compared to other elements.
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This document discusses the properties and classification of metals. It begins by describing some physical properties that are common among metals, such as shininess, malleability, ductility, and conductivity. It then discusses how metals are classified based on these properties and their location on the periodic table. The document goes on to explain different groups of metals, including alkali metals, alkaline earth metals, transition metals, and metals in other groups. It concludes by discussing synthetic elements above atomic number 92 that are made artificially in laboratories and particle accelerators.
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This document discusses elements, compounds, and the periodic table of elements. It defines elements as pure substances that cannot be broken down further. Elements have unique physical properties used to classify them, like melting point and density. The periodic table arranges elements according to these properties. It was created by Dmitri Mendeleev and contains 118 elements, showing their atomic number, mass, and whether they exist naturally as solids, liquids or gases. The periodic table is organized into periods and groups, with representative elements like the alkali metals and noble gases. Elements are divided into metals, nonmetals and metalloids based on their physical properties such as conductivity and reactivity.
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This document provides an overview of the periodic table of elements and key information about each group. It discusses the physical and chemical properties of elements in groups 1-18, including alkali metals, alkaline earth metals, transition metals, and noble gases. Diagrams showing atomic structure (Bohr models and Lewis dot structures) are provided for many elements, along with examples of common compounds and reactions. The periodic trends of atomic radius, ionization energy, and reactivity across periods and down groups are also covered.
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This document provides an overview of elements, compounds, and mixtures. It begins by defining an element as a pure substance that cannot be separated into simpler substances. Elements are classified as metals, nonmetals, or metalloids based on their physical properties. Compounds are then defined as pure substances composed of two or more elements chemically bonded together in specific ratios. Compounds have unique physical and chemical properties that differ from their component elements. The document concludes by explaining that mixtures are physical combinations of elements or compounds that maintain their individual identities and can typically be separated.
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1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
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Aims to equip people who aspire to become leaders with good qualities,and with Christian values and morals as per Biblical teachings.The you who aspire to be leaders should first read and understand what the ambassador module for leadership says about leadership and marry that to what the bible says.Christians sh
在线制作加拿大萨省大学毕业证文凭证书实拍图原版一模一样
原版一模一样【微信：741003700 】【加拿大萨省大学毕业证文凭证书】【微信：741003700 】学位证，留信认证（真实可查，永久存档）offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原海外各大学 Bachelor Diploma degree, Master Degree Diploma
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
All Of My Java Codes With A Sample Output.docx
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My portfolio as a highly motivated film student pursuing a career in Yogyakarta.
IT Career Hacks Navigate the Tech Jungle with a Roadmap
Feeling overwhelmed by IT options? This presentation unlocks your personalized roadmap! Learn key skills, explore career paths & build your IT dream job strategy. Visit now & navigate the tech world with confidence! Visit https://www.basecamp.com.sg for more details.
一比一原版布拉德福德大学毕业证（bradford毕业证）如何办理
一模一样【微信：A575476】【布拉德福德大学毕业证（bradford毕业证）成绩单Offer】【微信：A575476】（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
【业务选择办理准则】
一、工作未确定，回国需先给父母、亲戚朋友看下文凭的情况，办理一份就读学校的毕业证【微信：A575476】文凭即可
二、回国进私企、外企、自己做生意的情况，这些单位是不查询毕业证真伪的，而且国内没有渠道去查询国外文凭的真假，也不需要提供真实教育部认证。鉴于此，办理一份毕业证【微信：A575476】即可
三、进国企，银行，事业单位，考公务员等等，这些单位是必需要提供真实教育部认证的，办理教育部认证所需资料众多且烦琐，所有材料您都必须提供原件，我们凭借丰富的经验，快捷的绿色通道帮您快速整合材料，让您少走弯路。
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
→ 【关于价格问题（保证一手价格）
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
Connect to Grow: The power of building networks
In the intricate tapestry of life, connections serve as the vibrant threads that weave together opportunities, experiences, and growth. Whether in personal or professional spheres, the ability to forge meaningful connections opens doors to a multitude of possibilities, propelling individuals toward success and fulfillment.
Eirini is an HR professional with strong passion for technology and semiconductors industry in particular. She started her career as a software recruiter in 2012, and developed an interest for business development, talent enablement and innovation which later got her setting up the concept of Software Community Management in ASML, and to Developer Relations today. She holds a bachelor degree in Lifelong Learning and an MBA specialised in Strategic Human Resources Management. She is a world citizen, having grown up in Greece, she studied and kickstarted her career in The Netherlands and can currently be found in Santa Clara, CA.
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- 1. What is the Periodic Table of Elements? • Elements are substances that cannot be broken down any further by chemical means. There are over 100! • The Periodic Table is the arrangement of these elements by increasing atomic number and similar properties.
- 3. Grouped Elements Have Similarities • Elements in the same group have similar properties. Remember, groups are columns. • Chemical Property - a property used to characterize materials in reactions that change their identity. Ex: burning something. • Physical Property - a characteristic of a substance that can be observed without changing the substance into something else. Ex: measuring something’s length, color, mass or volume.
- 4. Metals, Nonmetals and Metalloids • The major categories of elements are the metals, non-metals, and metalloids. • Metals are lustrous, malleable, and are good conductors of heat and electricity. • Non-metals are elements that do not share the properties of metals. • Metalloids are elements that share some, but not all the properties of metals.
- 5. Metals - Lustrous, Malleable, and Good Conductors? These are physical properties of metals • Lustrous means shiny or reflective of light. – Coins and jewelry are shiny and reflective . • Malleable means capable of being shaped. – Aluminum foil is shaped or molded around food items to keep them fresh. • Being a Good Conductor means being able to allow electricity and heat to flow through. − When you think about the wires we use for electrical devices, they are mostly made of copper and other metals.
- 6. Alkali Metals • Elements in Group 1 (not including Hydrogen). • Very reactive metals. Always combine with something else in nature. • Salt – an Alkali Metal, Sodium, and another element, Chlorine, combined.
- 7. Alkaline Earth Metals • Elements in Group 2. • Reactive Metals that are always combined with non-metals in nature. • Several of these elements are important mineral nutrients, like Calcium.
- 8. Transition Metals • Elements in Groups 3-12. • Less reactive, harder metals. • Includes metals used in jewelry, money and construction.
- 9. Boron Family • Elements in Group 13. • Boron has properties of both metals and non-metals. • The rest of the elements in this group are metals.
- 10. Carbon Family • Elements in Group 14. • Contains elements important to life and computers. • Carbon is the basic element in all organic compounds. • Silicon and Germanium are important semiconductors.
- 11. Nitrogen Family • Elements in Group 15. • Nitrogen makes up more than ¾ of our atmosphere. • The red tip of matches is made of phosphorous.
- 12. Oxygen Family or Chalcogens • Elements in Group 16. • Oxygen is necessary for respiration. • Many things that have a bad odor contain sulfur.
- 13. Halogens • Elements in Group 17. • Very reactive, diatomic non-metals. • Always found combined with other elements in nature. • Chlorine is used to keep bacteria out of swimming pools.
- 14. Noble Gases • Elements in Group 18. • VERY reactive gases. • Used in lighted neon signs. • Helium is used to make party balloons float.