Choose the correct option which shows the electronic configuration of Phosphorous and its unpaired electrons:
a. 1s2, 2s2, 2p6, 3s2, and 3p3 with three unpaired electrons.
b. 1s2, 2s2, 2p6, 3s2, and 3p5 with one unpaired electron.
c. 1s2, 2s2, 2p6, 3s2, and 3p4 with zero unpaired electron.
d. 1s2, 2s2, 2p6, 3s2, and 3p3 with all paired electrons
1
Only a and b
2
Only a
3
Only c and d
4
Only b