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The general electronic configuration of ...

The general electronic configuration of Zn, Cd and Hg is represented by :

A

`(n-1)d^(10)ns^(2)`

B

`(n-1)d^(9)4s^(2)`

C

`(n-1)d^(10)4s^(1)`

D

`(n-1)d^(10)4s^(0)`

Text Solution

Verified by Experts

The correct Answer is:
A
The general electronic configuration of Zn, Cd and Hg is `(n-1)d^(10)ns^(2)`
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Knowledge Check

  • Assertion : Zn, Cd and Hg are not regarded as transition elements. Reason : The electronic configurations of Zn, Cd and Hg are represented by the general formula (n-1)d^10ns^2 .

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true and reason not is the correct explanation of assertion.
    C
    If assertion is trun but reason is false.
    D
    If both assertion and reason are false.

  • The general electronic configuration of lanthanide is

    A
    `(n-2)f^(1-14)(n-1)s^(2)p^(6)d^(0-1)ns^(2)`
    B
    `(n-2)f^(0-14)(n-1)d^(0-1)ns^(2)`
    C
    `((n-2)f^(0-14)(n-1)d^(10)ns^(2)`
    D
    `(n-2)d^(0-1)(n-1)f^(0-14)ns^(2)`

  • The general electronic configuration of halogen family is

    A
    `ns^2 np^5`
    B
    `ns^2 np^6`
    C
    `ns^2 np^4`
    D
    `ns^2 np^3`

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