MCQOPTIONS
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| 1. |
The electronic structure \[(n-1)\,{{d}^{1-10}}n{{s}^{0-2}}\] is characteristic of [CET Pune 1998] |
| A. | Transition elements |
| B. | Lanthanides |
| C. | Actinides |
| D. | Rare gases |
| Answer» B. Lanthanides | |