MCQOPTIONS
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MCQOPTIONS
| 1. |
The number of proton, neutron and electron in sulfide ion is respectively |
| A. | 17,16 and 18 |
| B. | 16,17 and 18 |
| C. | 18,16 and 17 |
| D. | 18,17 and 16 |
| Answer» C. 18,16 and 17 | |