'Group 2 metals' diaporamas de présentation

Key Question: Why Do Atoms Combine In Certain Ratios?

Key Question: Why Do Atoms Combine In Certain Ratios?. Review of Oxidation Numbers. Review of Oxidation Numbers. All compounds have an electrical charge of zero (they are neutral).

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Mendeleev and Chemical Periodicity

Section 1 History of the Periodic Table. Chapter 5. Mendeleev and Chemical Periodicity. Mendeleev noticed that when the elements were arranged in order of increasing atomic mass, certain similarities in their chemical properties appeared at regular intervals.

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TEKS

Section 1 History of the Periodic Table. Chapter 5.

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Periodic Table

Periodic Table. Ions and Oxidation Numbers. Ions and Oxidation Numbers: At the conclusion of our time together, you should be able to:. Identify an ion as a cation, anion, monatomic or polyatomic Explain the charge of an ion Define an oxidation number

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Chemical Nomenclature Chapters 8-9

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Slide 2: change reading to 6-11

Slide 2: change reading to 6-11 Slide 5: added picture of Lavoisier, including Madam LaVoisier who performed many of the experiments and probably also played an important role in interpretation. Slide 7: added C70 allotrope. Comments, point out there are more!

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Organizing the Elements Metals Nonmetals and Metalloids

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Lesson Objectives:

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Chemical Bonds and Compounds

Chemical Bonds and Compounds. www.physicalgeography.net. Elements combine to form compounds. Compounds have different properties from the elements that make them Atoms of different elements are held together by chemical bonds Bonds help to determine the properties of a compound.

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Ionic Compounds

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Families of Elements

Families of Elements. Chapter 4 Section 3. The groups. Metals-an element that is shiny and conducts heat and electricity well. Non-metals are elements that are bad conductors of heat and electricity.

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