Question

An element has electronic configuration 1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{4}}
. Predict their period, group and block [CPMT 2000]
A) Period = 3rd, block = p, group = 16 B) Period = 5th, block = s, group = 1 C) Period = 3rd, block = p, group = 10 D) Period = 4th, block = d, group = 12

Answer 1

I do not know mate soory