1.

The number of unpaired electrons in P-atom is

Answer»

1
3
5
0

Solution :Electronic CONFIGURATION of phosphorus (Z=15) is
`1s^(2)2S^(2)2P^(6)3S^(2)3p_(x)^(1)3p_(y)^(1)3p_(z)^(1)`
No. of unpaired electrons =3


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