Question

The outer most subshell of inert gas except helium contains how many electrons ?​

Answer 1

Answer:

In other noble gases inner shells are full but valence shell is not full though s and p subshells of the valence shell are full. All the noble gases except He have a 'closed' eight-electron outer subshell configuration (ns2np6).

Answer 2

Answer:

2 Electron

Explanation:

Since all inert gases—aside from helium—need eight electrons in their outermost shell in order to be fully charged, this is also known as the Octet Rule. Eight electrons are needed for the outermost shell to be fully charged. The Octet Rule is what governs this.

The hypothesis that main-group elements typically bind in a way that each atom has eight electrons in its valence shell, giving it the same electrical configuration as a noble gas, is reflected in the octet rule, a chemical rule of thumb. Although more broadly applicable to the s-block and p-block of the periodic table, the rule is particularly applicable to carbon, nitrogen, oxygen, and halogens

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