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C. Periodic Patterns zShorthand (Noble gas) Configuration yCore e - : Go up one row and over to the Noble Gas. yValence e - : On the next row, fill in.

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Presentation on theme: "C. Periodic Patterns zShorthand (Noble gas) Configuration yCore e - : Go up one row and over to the Noble Gas. yValence e - : On the next row, fill in."— Presentation transcript:

1 C. Periodic Patterns zShorthand (Noble gas) Configuration yCore e - : Go up one row and over to the Noble Gas. yValence e - : On the next row, fill in the # of e - in each sublevel.

2 [Ar]4s 2 3d 10 4p 2 C. Periodic Patterns zExample - Germanium

3 zShorthand Configuration S 16e - Valence Electrons Core Electrons S16e - [Ne] 3s 2 3p 4 1s 2 2s 2 2p 6 3s 2 3p 4 zLonghand Configuration

4 zFull energy level zFull sublevel (s, p, d, f) zHalf-full sublevel D. Stability

5 zElectron Configuration Exceptions yCopper EXPECT :[Ar] 4s 2 3d 9 ACTUALLY :[Ar] 4s 1 3d 10 yCopper gains stability with a full d-sublevel. D. Stability

6 zElectron Configuration Exceptions yChromium EXPECT :[Ar] 4s 2 3d 4 ACTUALLY :[Ar] 4s 1 3d 5 yChromium gains stability with a half-full d-sublevel. D. Stability

7 zIon Formation yAtoms gain or lose electrons to become more stable. yIsoelectronic with the Noble Gases.

8 O 2- 10e - [He] 2s 2 2p 6 D. Stability zIon Electron Configuration yWrite the e - config for the closest Noble Gas yEX: Oxygen ion  O 2-  Ne

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