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Ca^(2+) ion is isoelectronic with...

`Ca^(2+)` ion is isoelectronic with

A

`Mg^(2+)`

B

`Na^(+)`

C

Ar

D

Kr

Text Solution

Verified by Experts

The correct Answer is:
C
`Ca^(2+)` , number of electrons = 20-2=18
Ar, number of electrons = 18.
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Knowledge Check

  • Mg^(2+) ion is isoelectronic with

    A
    `Na^+`
    B
    `Ca^(2+)`
    C
    `Ar`
    D
    None of these

  • Zn^(+2) ion is isoelectronic with

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    `Fe^(+2)`
    B
    `Cu^+`
    C
    both a and b
    D
    `Ni^(+2)`

  • Na^(+ ) ion is isoelectronic with

    A
    `Li^(+)`
    B
    `Mg^(2+)`
    C
    `Ca^(2+)`
    D
    `Ba^(2+)`

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