Question

The inert gas atom in which the total number of d-electrons is equal to the difference in numbers of total and electrons, is:

A

B

C

D

Medium

Solution

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Correct option is D)

and do not have any electrons, while the difference of their and electrons is not zero.

The electronic configuration of krypton (atomic number is 36) is: .

Total electrons are 8 and total electrons are 18.

Thus, the difference is 10 and total d-electrons are 10 which are equal.

So, option is correct answer. 

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