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Calculate number of electrons in ground ...

Calculate number of electrons in ground state configuration of `Cr (24)` with `m != 0`.
[Divide your answer by 4]

Text Solution

Verified by Experts

The correct Answer is:
3
`Cr_(24) = 1s^(2) 2s^(2) 2P^(6) 3s^(2) 3p^(6) 3d^(5) 4d^(1)`
`X =` no. of electron with `m != 0 " " = " " 2 + 2 + 2 + 2 + 4 = 12`
`(X)/(4) = (12)/(4) = 3`
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Knowledge Check

  • Electronic configuration of Cr (Z = 24) is

    A
    `3d^(4) 4s^2`
    B
    `3d^(6) 4s^0`
    C
    `3d^(5) 4s^1`
    D
    none of these

  • Ground state electronic configuration of Cr atom is :

    A
    `[Ar]3d^(4)4s^(2)`
    B
    `[Ar]3d^(5)4s^(1)`
    C
    `[Ar]3d(6)4s^(0)`
    D
    `[Ar]3d^(5)4s^(2)`

  • The ground state electronic configuration of ""_(24)Cr is

    A
    `[Ar]3d^(5)4s^(1)`
    B
    `[Ar]3d^(4)4s^(2)`
    C
    `[Ar]3d^(3)4s^(2)4p^(1)`
    D
    `[Ar]3d^(6)4s^(0)`

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