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Maximum number of electrons in a subshell with l = 3 and n = 4 is:

1. 14
2. 16
3. 10
4. 12

Correct answer: 14

Solution

For a subshell with l = 3 (f-subshell), the maximum number of electrons is given by 2(2l + 1). Substituting l = 3, we get 2(2(3) + 1) = 14 electrons. The principal quantum number n = 4 does not affect this calculation.

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