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Question
The total number of electrons in a nitrogen atom and chlorine atom is 7 and 17 respectively. Find the number of valence electrons in them
The total number of electrons in a nitrogen atom and chlorine atom is 7 and 17 respectively. Find the number of valence electrons in them
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Solution
The correct option is D 5, 7
NItrogen:
Total number of electrons in nitrogen = 7
Therefore, its electronic configuration is 2,5.
hence the number of valence electrons is 5.
Chlorine:
Total number of electrons in chlorine = 17
Therefore, its electronic configuration is 2,8.7
hence the number of valence electrons is 7.
5, 7
NItrogen:
Total number of electrons in nitrogen = 7
Therefore, its electronic configuration is 2,5.
hence the number of valence electrons is 5.
Chlorine:
Total number of electrons in chlorine = 17
Therefore, its electronic configuration is 2,8.7
hence the number of valence electrons is 7.
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