Question

Write electronic configurations of Sodium ion & Chloride ion.
- (Atomic Number of Na =11
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Answer 1

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Na+ -> 10

E.C = 2,8

OR, 1s2, 2s2, 2p6

Cl- -> 18

E.C = 2,8,8

OR, 1s2, 2s2, 2p6, 3s2, 3p6

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Answer 2

hope it will help you.....