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Which one of these elements is the lightest: 1- oxygen , 2- carbon , 3- nitrogen , 4- neon. idk what neon is but that’s an answer so...
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Which one of these elements is the lightest: 1- oxygen , 2- carbon , 3- nitrogen , 4- neon.

idk what neon is but that’s an answer so...

User Nyle
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1 Answer

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It would be carbon because its relative atomic mass is 12
User Dshukertjr
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