Question

how is helium is different from other noble gases​

Answer 1

At the top of the noble gases is little helium (He), with a shell that is full with only two electrons. The fact that their outer shells are full means they are quite happy and don't need to react with other elements. In fact, they rarely combine with other elements

At the top of the noble gases is little helium (He), with a shell that is full with only two electrons. The fact that their outer shells are full means they are quite happy and don't need to react with other elements. In fact, they rarely combine with other elements Hope it helps you

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Answer 2

Explanation:

Helium is the gas which is considered as a noble gas in spite it has only one shell and that shell is its valence shell containing two electrons .On the contrary other noble gases have more than one shell and the outermost shell of other noble gases contain 8 electrons .