MCQOPTIONS
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| 1. |
An atom has mass number 23 and atomic number\[11\]. How many protons, electrons and neutrons are present in the atom? |
| A. | \[11,\,\,12,\,\,13\] |
| B. | \[11,\,\,11,\,\,12\] |
| C. | \[11,\,\,11,\,\,13\] |
| D. | \[11,\,\,14,\,\,15\] |
| Answer» C. \[11,\,\,11,\,\,13\] | |