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Question

In an atom, the total number of electrons having quantum numbers n=3, |ml|=0 and ms=12 is :


Your Answer
A
2
Your Answer
B
4
Correct Answer
C
3
Your Answer
D
6

Solution

The correct option is D 3
Given,
|ml|=0 means ml is zero
Since n = 3, the possible values of  `l' are 0,1 and 2 .
The orbitals in shell 3 with m = 0 are, 3s orbital,one of the 3p orbitals and also one of the 3d orbitals. So total of 3 orbitals.
 

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