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How many electrons in an atom may have t...

How many electrons in an atom may have the following quantum numbers? `n=4,m_s=-1/2`

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Total number of orbitals possible for 4 shell `=n^2=4^2=16` Each orbital can contain one electron with `m_s=-1//2therefore` Number of electrons possible = 16
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Knowledge Check

  • The number of electrons in an atom that may have the quantum numbers n = 3 and m_(s) = + (1)/(2) is

    A
    32
    B
    9
    C
    18
    D
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  • "No two electrons in an atom can have the same set of four quantum numbers". This is known as

    A
    Hund's rule
    B
    Pauli's exclusion principle
    C
    Aufbau principle
    D
    Heisenberg's principle

  • Assertion : The maximum number of electrons in the shell with principal quantum number nis equal to 2n^(2) ?. Reason : Two electrons in an orbital have the same value of three quantum numbers n, l and m, but must have different spin quantum numbers.

    A
    If both (A) and (R) are correct and (R) is the correct explanation of(A).
    B
    If both (A) and (R) are correçt, but (R) is not the correct explanation of (A).
    C
    If (A) is correct, but (R) is incorrect.
    D
    If both (A) and (R) are incorrect.

    • Similar Questions

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