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Why are the elements helium and neon in the same column of the periodic table

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ong>ANSWER:

Originally Answered: Neon and Helium belong to the same group. ... SINCE helium and neon are both in group 18, they are ATOMICALLY similar. Because noble gases' outer shells are full, they are extremely stable, tending not to form chemical bonds and having a SMALL tendency to GAIN or lose electrons.



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