Question

Ilnd IP of which of the element is maximum-
(1) Lithium
(2) Oxygen
(3) Nitrogen
(4) Fluorine​

Answer 1

Answer:

The answer is Lithium

configuration

Li

$= 1s ^{2} 2s ^{1}$

the first electron is removed from 2 s^1 orbital

To remove 2 nd eletron from 1s^2 orbital will require more energy as it is nearer to nucleus.