Question

Which option correctly represent increasing order of effective nuclear charge
(Z
(A) Li>Be >B>C
(B) Li<B<Be <C
(C) B<Be << <Li
(D) Li<Be <B<C​

Answer 1

Answer:

Explanation:

Solution : Ionisation energy increases across the period but due to stable half filled configuration of VA group, its I.E. is more than VI-A group.