Given the outer electronic configuration of s,p,d and f-block elements.

Explanation

s- block elements `ns^(1) or ns^(2)`.
p- block elements `ns^(2)np^(1) or ns^(2)np^(6)`
d- block elements `(n-1)d^(1-10)ns^(1 or 2)`
f- block elements `(n-2)f^(1-14) (n-1)d^(1 or 1) ns^(2)`.