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The orientation of an atomic orbital is ...

The orientation of an atomic orbital is governed by :

A

magnetic quantum number

B

principle quantum number

C

azimuthal quantum number

D

spin quantum number

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The correct Answer is:
A
Magnetic quantum number `(m_(l))` distinguishes orbitals of given `n` and `l-` that is, of given enegry and shape but having a different orientation in space. The allowed values are the integers form `-l` to `+l`.
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