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

asked Jul 15, 2019 136k views

3 votes

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

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3 votes

I think it is B. my answer must be 20 characters ignire this

Atul answered Jul 16, 2019

by Atul

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4 votes

B. Hydrogen because it has an atomic number of 1 and molar mass of 1

Clarus answered Jul 19, 2019

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