Question

The electronic configuration of 4 elements are
A=2,8,1. B=2,8,2 C=2,8,7 D=2,6

Answer the following questions
(a) Which one among A,B,C and D forms monovalent cation
(b) Which one among A,B,C and D forms divalent cation
(c) Which one among A, B,C and D forms monovalent anion
(d) Explain the bonding between A and C, B and C, A and D, B and D ​

Answer 1

Answer:

a) C

b)A

c)D

d)see it in ur text book