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A transition element X has a configurati...

A transition element `X` has a configuration `[Ar] 3d^(4)` in its ` + 3` oxidation state. Its atomic number is

A

25

B

26

C

22

D

19

Text Solution

Verified by Experts

The correct Answer is:
A

Number of electrons in excited state
`X^(+3) =18+4 =22`
Number of electrons in ground state
`X=22 +3=25.`
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