MCQOPTIONS
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| 1. |
The atom of an element has \[10\] electrons, \[10\] protons and \[12\] neutrons. Find the mass number of the element. |
| A. | \[10\] |
| B. | \[12\] |
| C. | \[22\] |
| D. | \[32\] |
| Answer» D. \[32\] | |