MCQOPTIONS
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| 1. |
An elements in+3 oxidation state has the electronic configuration\[(Ar)3{{d}^{3}}\]. Its atomic number is [JIPMER 2002] |
| A. | 24 |
| B. | 23 |
| C. | 22 |
| D. | 21 |
| Answer» B. 23 | |