MCQOPTIONS
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| 1. |
Number of unpaired electrons in \[1{{s}^{2}}2{{s}^{2}}2{{p}^{3}}\] is [CPMT 1982; MP PMT 1987; BHU 1987; CBSE PMT 1990; CET Pune 1998; AIIMS 2000] |
| A. | 2 |
| B. | 0 |
| C. | 3 |
| D. | 1 |
| Answer» D. 1 | |