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Write the electronic configuration of ch...

Write the electronic configuration of chromium (Cr) and copper (Cu).

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The electronic configuration of chromium is
`1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 4s^(1) 3d^(5) or [Ar] 4s^(1) 3d^(5)`
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Knowledge Check

  • The electronic configuration of sodium is

    A
    `[Ne]3s^(2)`
    B
    `[Ne]3s^(1)`
    C
    `[Ar] 4s^(1)`
    D
    `[Ar]4s^(2)`

  • The electronic configuration of sodium is

    A
    `[Ne]3s^2`
    B
    `[Ne]3s^1`
    C
    `[Ar]4s^1`
    D
    `[Ar]4s^2`

  • The electronic configuration of chromium (Z=24) is

    A
    `[Ar]3d^4 , 4s^2`
    B
    `[Ar] 3d^5 , 4S^1`
    C
    `[Kr] 4d^4 , S 5s^2`
    D
    `[Kr]4d^6 , 5s^1`

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    Why does the electronic configuration of chromium and copper have special features?

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