'P block' diaporamas de présentation

Chapter 5 Periodic Table

Chapter 5 Periodic Table. 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 . Repeating patterns are referred to as periodic.

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Periodicity of Atomic Properties

Periodicity of Atomic Properties. Elements in the same group have the same number of valence electrons and related electron configurations; hence have similar chemical properties.

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Electron Configuration

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Chapter 8

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The P Block

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Valence Electrons

Valence Electrons. I. Def- Electrons that are found in the outermost energy level or orbital. A. These are the electrons that are involved in chemical bonding and help atoms achieve stability. I. Determining the # of Valence Electrons A. S & P Block (main block elements)-

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