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The number of electrons in an atom that ...

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

16

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • 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.

  • Representation of the orbital with quantum numbers n = 3,1 = 1 is

    A
    3s
    B
    3d
    C
    3p
    D
    1s

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    The electron in an atom are designed by a set of quantum numbers labeled as n, l, m and s. b) Which of the following set of quantum numbers are not allowed?

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