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The number of vacant orbitals in the val...

The number of vacant orbitals in the valence shell of phosphorous is ____.

A

5

B

3

C

2

D

0

Text Solution

Verified by Experts

The correct Answer is:
A
`P(Z=15) 1s^(2)2s^(2)2p^(6) 3s^(2)3p^(3)` . Thus, five 3d orbitals are lying vacant.
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