Question

Electronic configuration of element A is 1922s22p4.
Electronic configuration of element B is 1s22s22p 3s2.
Formula of compound formed is
(A) AB
(B) AB3
(C) BA
(D) BA3​

Answer 1

Answer:

option a) AB

Explanation:

The first atom "a" needs 2 more electrons to fill its p-subshell

Thr second atom "b" can give away 2 electrons from s-subshell

so in the coumpond B will give A 2 electrons and form ionic bond.