Question

# How many unpaired electrons are there in $${Ni}^{2+}$$? $$\left(Z=28\right)$$

A
0
B
8
C
2
D
4

Solution

## The correct option is C $$2$$$$\displaystyle {Ni}^{2+}$$ with outer electronic configuration of $$\displaystyle 3d^8$$  has two unpaired electrons as shown in the image.Chemistry

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