Electron Configurations – a Review and More…

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Presentation transcript:

Electron Configurations – a Review and More…

Electron Configurations e- configuration notation: Reminder – this notation uses # of e- in a sublevel as a superscript over the sublevel (block) designation

Electron Configurations e- configuration notation: Write complete e- configuration notation for elements 2, 6, & 16 He: 1s2 C: 1s2 2s2 2p2 S: 1s2 2s2 2p6 3s2 3p4

Electron Configurations e- configuration notation (noble gas shortcut): Reminder – this version uses a noble gas (group 18) “core” instead of beginning at 1s

Electron Configurations e- configuration notation (noble gas shortcut): Write noble gas shortcut for elements 12, 21, & 35. Mg: [Ne] 3s2 Sc: [Ar] 4s2 3d1 Br: [Ar] 4s2 3d10 4p5

Electron Configurations e- dot notation: simplest notation, only shows valence e- (e- that may be lost, gained, or shared when chemical compounds are formed - they are from s & p blocks)

Electron Configurations e- dot notation: Draw dot diagrams for elements 1-10