From the ground state electronic configuration of the elements given below, pick up the one with highest value of second ionization energy

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

1s22s22p63s2

1s22s22p63s1

1s22s22p6

1s22s22p5

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Element with one valence electron has large difference between the first and second ionisation energies i. e.,1s22s22p63s1.

Watch 3-min video & get full concept clarity