3 years ago

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

Computers and Technology

2 answers:

Oksanka [162]3 years ago

6 0

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

Paladinen [302]3 years ago

6 0

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

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