question 9 fast answer
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Inert gases have 0 valency. They do not show the ability to combine with others. Because helium also have 0 valency therefore it is a inert gas.
Hope this helps:)
Hope this helps:)
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hi friends
because it has a complete shell of electron and it is the most unreactive element. and it has 0 valencies.
thank you
because it has a complete shell of electron and it is the most unreactive element. and it has 0 valencies.
thank you
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