Question

Subshell electronic configuration of some elements are given

( symbols are not real)
A - [Ne] 3s1
B - [Ar] 4s2
C - [Ar] 3d6  4s2
D - [Ne] 3s2  3p4
a .What is the atomic number of B?
b . Which among the above has the highest electronegativity ?
c .Which of the above elements form coloured compound?

Answer 1

Explanation:

a. Argan 18

b.d.

c.b l hope someone answer can help you