Question

Arrange the following elements in order of increasing effective nuclear charge: **, As, P, N, Sb

(a). **, Sb, As, P, N

(b). N, P, As, Sb, **

(c). **, As, P, N, Sb

(d). N, As, P, **, Sb

Answer 1

(b). N, P, As, Sb, **