Electronic configuration of an elem ent of the m odern periodic table i s ............ `Is^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(4)` What will be atomic number of the element immediately below it, in the same group ?

Options

A. 18
B. 34
C. 48
D. 24

Answer

B

Explanation

Given configuration : `Is^(2) 2s^(2)2p^(6) 3s^(2)3p^(4)` It has total electrons = 16 = Z The element is S of 3rd row and 16th group the element below it is Se of 4th row and group with Z - (16 + 18) = 34