How many electron in Argon have $m = 0 ?$

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Solution

The correct option is B 10
An atomic number $= 18$
Electronic configuration
refer to image
So,for $m = 0$ number of electrons $= 2 + 2 + 2 + 2 + 2 = 10$
b is the correct answer.

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Similar questions

How many electrons in an atom may have the following quantum numbers?
(a) n = 4, $m=-\frac{1}{2}$ $\frac{1}{2}$
(b) n = 3, l = 0

n = 4, l = 1

m = + 1

n = 3, l = 0

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