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How any electron in a given atom can have the following quantum numbers? n = 3 , l = 2 , m = + 2 , s = + 1 / 2 A 1 B 1 8 C 1 4 D 7

How any electron in a given atom can have the following quantum numbers? n=3,l=2,m=+2,s=+1/2

A

1

B

18

C

14

D

7

 

Grade:12

1 Answers

Rituraj Tiwari
askIITians Faculty 1792 Points
3 years ago
No two electrons in an atom can have the same set of quantum numbers.
The first quantum number is the principle quantum number , which is
n=3
This means the electron is in the third energy level (shell).
The second quantum number, the angular momentum , is
l=2
and means the electron is in the
d sublevel (subshell).
The third quantum number, the magnetic quantum number ,
ml​=2
represents one of the five
3d orbitals.
Lastly, we have the spin quantum number ,
ms​=+1/2
It indicates the direction of the spin of the electron.

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