| What to do with all this info? |
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| • | Rules for writing
electron configuration: |
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| • | 1. The no. of
electrons in neutral atom = |
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| atomic no. (no.
of protons) |
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| • | 2. Fill the
lowest energy sublevel |
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| completely, then
the next lowest, etc. |
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| • | 3. No more than
two electrons can be placed |
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| in a single
orbital. The electrons have |
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| opposite spins in
the same orbital. (2 |
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| electrons in s,
6 in p, 10 in d, 14 in f) |
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