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The correct electronic configuration of ...

The correct electronic configuration of copper atom is:

A

`[Ar]3d^(9) 4s^2`

B

`[Ar]3d^(10) 4s^1`

C

`[Ar] 3d^(8) 4s^2`

D

`[Ar]3d^(10) 4s^2`

Text Solution

Verified by Experts

The correct Answer is:
B
`[Ar] 3d^(8) 4s^2`
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Knowledge Check

  • The electronic configuration of copper is

    A
    `[Ar] 4s^2 3d^9`
    B
    `[Ar]4s^1 3d^10`
    C
    `[Kr] 5s^2 4d^9`
    D
    `[Kr] 5s^1 4d^10`

  • The outer electronic configuration of copper is

    A
    `3d^(9)4s^(2)`
    B
    `3d^(10)4s^(1)`
    C
    `3d^(10)4s^(0)`
    D
    `3d^(10)4s^(2)`

  • The electronic configuration of Ag atom is

    A
    `[Kr]3d^(10)4s^(1)`
    B
    `[Xe]4f^(14)d^(10)6s^(1)`
    C
    `[Kr]4d^(10)5s^(1)`
    D
    `[Kr]4d^(9)5s^(2)`
    • MODERN PUBLICATION-D AND F-BLOCK ELEMENTS-COMPETITION FILE (MULTIPLE CHOICE QUESTION ((A) MULTIPLE CHOICE QUESTION WITH ONLY ONE CORRECT ANSWER))
    1. The correct electronic configuration of copper atom is:

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    2. Which of the following ions does not give coloured solution ?

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    3. Which metal has the lowerst melting point?

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    4. Oxidation number of osmium (Os) in OsO(4) is

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    5. The highest oxidation state shown by manganese in its compounds is

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    6. The colour of d-block elements is due to:

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    7. The number of unpaired electron in Ni^(2+) is

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    8. The magnetic moment of a transition metal ion has been found to be 3.8...

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    9. Which one of the elements with the following outer orbital configurati...

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    10. Which of the following has positive M^(2+)(aq) standard reduction elec...

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    11. Which of the following ions has smallest radius?

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    12. In which of the following ions, the colour is not due to d-d transitio...

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    13. When potassium dichromate is heated with potassium hydroxide and the s...

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    14. In a reaction, K2 MnO4 is converted into KMnO4 . The change in the...

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    15. Mn3O4 is a mixed oxide of

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    16. The equivalent weight of KMnO(4) in (a) neutral medium, (b) acidic med...

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    17. Which of the following is an acidic oxide ?

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    18. The number of electrons involve in the equation CrO4^(2-)rarrCr2O7^(2...

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    19. The oxidation state of Cr in Cr(2)O(7)^(2-) is

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    20. In strongly alkaline medium, MnO4^- MnO4^(-) + e^(-) to MnO4^(2-) ...

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