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Q. 18.     Which one of the following is a correct electronic configuration of sodium?

                (a) 2,8

                (b) 8,2,1

                (c) 2,1,8

                (d) 2,8,1.

Answers (1)

best_answer

The atomic number of sodium = 11

The electronic configuration of the sodium :

K = 2

L = 8 

M = 1

Hence, option (d) is correct.

Posted by

Pankaj Sanodiya

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