how many electron will be present in the sub shell having ms value of -1/2 for n. 3
Answers
Only one electron in a given atom can have the set of quantum numbers given in the question.
Explanation:
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, m
l
=2, represents one of the five 3d orbitals.
Lastly, we have the spin quantum number, m
s
=−
2
1
. It indicates the direction of the spin of the electron. Each electron in an atom has a unique set of quantum numbers.
The given quantum numbers for the electron in the question tell us that there is a high probability that the electron is in one of the 3d orbitals of the atom.
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