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1. |
The total number of electrons in a nitrogen atom and a chlorine atom are \[7\] and \[17\] respectively. Find the number of valence electrons in them. |
A. | \[3,\,\,1\] |
B. | \[5,\,\,8\] |
C. | \[4,\,\,1\] |
D. | \[5,\,\,7\] |
Answer» E. | |