MCQOPTIONS
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MCQOPTIONS
| 1. |
Why does Zinc not show variable valency? |
| A. | Complete d subshell |
| B. | Inert pair effect |
| C. | 4s<sup>2</sup> subshell |
| D. | 4s<sup>3</sup> subshell |
| Answer» B. Inert pair effect | |