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The formula for the maximum number of electrons in a subshell is given by which of the following?

1. 4l+2
2. 2l+1
3. 2(2l+1)
4. 2l

Correct answer: 2(2l+1)

Solution

The maximum number of electrons in a subshell is given by 2(2l+1), where l is the azimuthal quantum number. This accounts for the two possible spin states of each orbital.

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