Collective name given to the elements with outer shell configuration `ns^2 np^6` is

Elements with outer electron configuration ns2 np6 are:

Elements with outer electron configuration ns2 np6 are:

Assing the position of the elements with outer electronic configuration ns^2np_4 (n = 3)

The elements with similar outer shell configuration are placed in a __

Elements with electronic configuration ns^2np^6 are called ___

Assing the position of the elements with outer electronic configuration (n-1) d^2 ns^2(n = 4)

Assign the position of the element having outer electronic configuration ns^(2) np^(4) for n = 3, in the periodic table.

The position of the element having outer electronic configuration ns^2np^4 for n=3 is