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periodic classification

Asked by priyadas 20th August 2009, 12:42 PM
Answered by Expert
Answer:

Nitrogen forms only trivalent compounds because its electronic configuration is:

1s2 2s2 2p3

So, there are no empty d orbitals available for bonding.

The electronic configuration of P is:

1s2 2s2 2p6 3s2 3p3

There are empty 3d orbitals available for bonding. So, P can undergo sp3d hybridisation and form both trivalent and pentavalent compounds like PCl3 and PCl5 .

Answered by Expert 20th August 2009, 1:47 PM
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