Question

Helium is an unreactive gas and neon is a gas of extremely low reactivity.what if anything do their atom have in common?​

Answer 1

It belongs to the last group with all the gas whose last shell are common and they are unreactive unlike to other elements which reacts to complete there last shell with total 8 electrons . Helium and Neon have in common that they have there shell complete and they reacts very less or they don't.

Step-by-step explanation:

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