Flashcards
Electron Shells
Cards in this deck (3)
- 1what is the order in the way electrons fill shells?2 - 8 - 8
- 2what is the electron configuration of sodium?sodium is Na which has an atomic number (bottom one) of 11 this is also equivalent to number of protons so it must be:
2, 8, 1 - 3is the electron configuration is 2, 8, 2 what is its atomic number, period and group?atomic number: [2+8+2] = 12
period: [3 numbers] = 3
group: [last number is 2] = 2
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- GCSE Chemistry (C4) Flashcards on Electron Shells , created by Lily Pritchard on 25/04/2016.
- Created by
- Lily Pritchard · Apr 2016
- Updated
- Jun 19, 2016
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