Question

2. A d-shell containing four unpaired electrons can exchanger
(a) four electrons
(b) three electrons
(c) sixteen electrons
(d) six electrons​

Answer 1

Answer:

I think the answer is A

sorry I am not sure of the answer

but I think

Answer 2

Answer:

c

Explanation:

accordingn combination formula

cn2=4!/2!×2!=6