Question

How many unpaired electrons are present in each of the following in the Ground state.

O, O+, O–

, S, F, Ar, N3–

, Mg2+, P.​

Answer 1

Answer:

Cu

+

=1s

2

2s

2

2p

6

3s

2

3p

6

3d

10

Shells occupied =3(n=1,2,3),

Subshells occupied=6

Filled orbitals=14 (1+1+3+1+3+5)

Unpaired e

−

=0