MCQ
A transition metal $X$ has a configuration $[Ar]3{d^4}$ in its $ + 3$ oxidation state. Its atomic number is
- ✓$25$
- B$26$
- C$22$
- D$19$
✓
Answer
Correct option: A.
$25$
a
(a) Electrons in the atom $ = 18 + 4 + 3 = 25$ i.e. $Z = 25$.
(a) Electrons in the atom $ = 18 + 4 + 3 = 25$ i.e. $Z = 25$.
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