Highest energy will be absorbed to eject out the electron in the configuration
1s22s22p1
1s22s22p3
1s22s22p2
1s22s22p4
Due to high stability of half-filled orbitals.
Arrange the elements with the following electronic configurations in the increasing order of electron affinity
(i) 1s2 2s2 2p3 (ii) 1s2 2s2 2p4 (iii) 1s2 2s2 2p5 (iv) 1s2 2s2 2p63s2 3p4