Electronic confriguration of a transition element X in +3 oxidation states is `[Ar]3d^(5)`. What is its atomic number?
Electronic confriguration of a transition element X in +3 oxidation states is `[Ar]3d^(5)`.
What is its atomic number?
A. 25
B. 26
C. 27
D. 24
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Correct Answer - B
The electronic configuration of `X^(3+)` is `[Ar]3d^5`
`:. "Atomic no. of "X=18+5+3=26`
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