Question

The electronic configuration of sodium

Answer 1

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The atomic number of Sodium (Na) is 11.

Is electronic configuration is as follows.....

$1 {s}^{2} \: \: 2 {s}^{2} \: \: 2 {p}^{6} \: \: 3 {s}^{1}$


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Answer 2

the atomic number of sodium is 11
so its electronic configuration is :
in K Shell : 2
in L Shell : 8 
in M Shell : 1