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_______ is the lightest chemical element A.oxygen B.hydrogen C.helium
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3 votes
_______ is the lightest chemical element
A.oxygen
B.hydrogen
C.helium

User Roman Shishkin
by
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2 Answers

3 votes
I think it is B. my answer must be 20 characters ignire this
User Atul
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4 votes
B. Hydrogen because it has an atomic number of 1 and molar mass of 1
User Clarus
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