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Quantum Numbers

Which of the ...

Question

Which of the following sets of quantum numbers is not possible for a 4p electron?

n = 4, l = 1, m = 0, s = + 1 / 2

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n = 4, l = 1, m = 0, s = - 1 / 2

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n = 4, l = 1, m = - 2, s = + 1 / 2

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n = 4, l = 1, m = + 1, s = + 1 / 2

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Solution

The correct option is B $n = 4, l = 1, m = - 2, s = + 1 / 2$
In the option (C), $n = 4, l = 1$ represents 4p but $m = - 2$ is not possible as the values of m for 4p must vary between -1 to +1.

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Similar questions

Which set of quantum numbers is possible for the last electron of Mg⁺ ion?

\pm

n = 4, l = 0, m = 0, s = + \frac{1}{2}

n = 3, l = 1, m = 1, s = - \frac{1}{2}

n = 3, l = 2, m = 0, s = + \frac{1}{2}

n = 3, l = 0, m = 0, s = - \frac{1}{2}

n = 4, l = 2, m_{1} = - 2, m_{s} = - 1 / 2

n = 3, l = 2, m_{1} = 1, m_{s} = + 1 / 2

n = 4, l = 1, m_{1} = 0, m_{s} = + 1 / 2

n = 3, l = 2, m_{1} = - 2, m_{s} = - 1 / 2

n = 3, l = 1, m_{1} = - 1, m_{s} = + 1 / 2

n = 4, l = 1, m_{1} = 0, m_{s} = + 1 / 2

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