Question

The electronic configuration of P in H3PO4 is a) 1s 2 2s 2 2p 6 3s 2 3p 3 b)1s 2 2s 2 2p 6 3s 2 c)1s 2 2s 2 2p 6 d)1s 2 2s 2 2p 6 3s 2 3p 6 4s 1

Answer 1

Option d is the right answer

Answer 2

The correct option is (d). 

1s 2 2s 2 2p 6 3s 2 3p 6 4s 1