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The set of quantum numbers, n = 2, l = 2...

The set of quantum numbers, n = 2, l = 2, `m_(l)` = 0 :

A

Describes an electron in a 2s orbital

B

Describes one of the five orbitals of a similar type

C

Describes an electron in a 2p orbital

D

Is not allowed

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The correct Answer is:
D
possible values of `m = (2l+1)`
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