Answers

2016-03-04T21:14:46+05:30
Li electronic cofigration 1s2 2s1 Na 1s2 2s2 2p6 3s1 Valency 1 Li and Na don't have d orbitals so they react vigoursly
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2016-03-05T14:26:47+05:30
Li-2,1 valency is 1.
K-2,8,8,1 Valency is 1.


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