Periodic Classification And Periodic Properties Ques 19

19. The element with the highest first ionisation potential is

(a) boron

(b) carbon

(c) nitrogen

(d) oxygen

$(1982,1 \mathrm{M})$

Show Answer

Answer:

Correct Answer: 19.$(\mathrm{a}, \mathrm{b})$

Solution:

  1. Nitrogen has highest ionisation potential due to exceptional stability of its valence shell configuration mentioned in question 21 .