

MCQOPTIONS
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1. |
A transition metal \[X\] has a configuration \[[Ar]3{{d}^{4}}\] in its \[+3\] oxidation state. Its atomic number is [EAMCET 1990] |
A. | 25 |
B. | 26 |
C. | 22 |
D. | 19 |
Answer» B. 26 | |