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JEE Main levelSingle correct optionDifficulty 2 of 3as133

The maximum number of electrons in an atom that can have $n = 4$ and $m_{l} = + 2$ is

A2
B4
C6
D10

Answer: B

For

n = 4

,

m_{l} = + 2

occurs in

l = 2

(4d) and

l = 3

(4f), giving 2 orbitals. Each holds 2 electrons, so 4.

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