Electronic configuration of a transition element \( \mathrm{X} \) i...

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Electronic configuration of a transition element \( \mathrm{X} \) in \( +3 \) oxidation state is \( [\mathrm{Ar}] 3 \mathrm{~d}^{5} \). What is its atomic number?
(a) 25
(b) 26
(c) 27
(d) 24
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