Why is helium an inert gas
aryan8099:
because it has 2 electron in its outermost and first shell
Bcaze 2 e in outermost shell
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Because helium belongs to 18 th group which have octet configuration. Hence it is inert
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being at the top of noble gases , helium has complete 2 electron in its valence shell. so, its happy enough and rarely combines with another element. thats why it is called inert gas
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