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16 January, 09:05

How many electrons can be described by the quantum numbers n = 7, l = 1?

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  1. 16 January, 09:19
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    As Principle Quantum Number is 7, so the number of Azimuthal Quantum Numbers for this energy level is calculated by following formula,

    l = n - 1

    As, n=7

    So,

    l = 7 - 1

    l = 6

    So, n=7 contains 1, 2, 3, 4, 5 and 6 Sub-Shells.

    Number of Electrons in Subshells,

    Number of electrons in each subshell is calculated by following formula,

    2 (2l + 1)

    As, l=1 (given),

    So, 2 (2 (1) + 1)

    2 (2 + 1)

    2 (3)

    6

    Result:

    The number of electrons in n=7 and l=1 are 6.
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