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How many unpaired electrons are there is...

How many unpaired electrons are there is `Ni^(2+)`

A

2

B

8

C

0

D

4

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • How many unpaired electrons are present in tin (z=50)?

    A
    3
    B
    5
    C
    2
    D
    4

  • How many seconds are there in 2 days?

    A
    `2.32xx10^3`
    B
    `1.72xx10^3`
    C
    172800
    D
    232800

  • Among the elements from atomic number 1 to 36, the number of elements which have an unpaired electron in their s subshell is

    A
    7
    B
    9
    C
    4
    D
    6

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