McqMate
| Q. |
is the number of shells for elements of the 3rd period. |
| A. | "2" |
| B. | "1" |
| C. | "0" |
| D. | "3" |
| Answer» C. "0" | |
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Explanation: The third period of the periodic table consists of the elements whose atoms has three shells occupied by electrons in its Ground State (when it is not excited or in a reaction). |
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