Question

17. From the ground state electronic configurations of the
elements given below, pick up the one with highest value of
second ionisation energy
(A) 1522s22p6352 (B) 1322s22p%3s!
(C) 1s22s22p6 (D) 1s22s22ps.​

Answer 1

Explanation:

ans is 1s2 2s2 2p6 3s1 because when 1 electrons go from 3s1 so it has 2p6 fully completed orbital so it more stable than other option so this is ans option is B.

according std 12

Answer 2

Answer:

answer my next question immediately