MCQOPTIONS
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MCQOPTIONS
| 1. |
Nobel gases are stable because they contain |
| A. | 7 electrons in valence shell |
| B. | 8 electrons in valence shell |
| C. | 5 electrons in valence shell |
| D. | 4 electrons in valence shell |
| Answer» C. 5 electrons in valence shell | |