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Why aren`t the noble gases called group 8 elements?

Why aren`t the noble gases called group 8 elements?

Grade:12th pass

2 Answers

Arun
25750 Points
6 years ago
Dear student
 
Actually in some reference books it is also called group 8 elements.
 
 
Regards
Arun (askIITians forum expert)
Ravleen Kaur
askIITians Faculty 1452 Points
6 years ago
Hello Student,

The noble gases are the members ofgroup18. Noble gases are typically highly unreactive except when under particular extreme conditions.

They are even referred as the "inert gases" due to the fact that they have filled valence shells (octets) which make them extremely non reactive. Since the number of valence electrons gives the information about the group number. So having eight valence electrons they belong to group 18 (except He) not 8.

All the best
Regard
IHE

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