MCQOPTIONS
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| 1. |
An atmospheric oxide of a metalloid present in 15th group. The possible electronic configuration of that metalloid is |
| A. | [Ar]3d10 4s24p3 |
| B. | [He] 2s22p3 |
| C. | [Ne] 3s2p3 |
| D. | [Xe] 4f14 5d10 6s2 6p3 |
| Answer» B. [He] 2s22p3 | |