Dennyclark3463 Dennyclark3463
  • 10-06-2018
  • Computers and Technology
contestada

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

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KvngSolomon22 KvngSolomon22
  • 10-06-2018
B. Hydrogen because it has an atomic number of 1 and molar mass of 1
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LoreleiTeeter05
LoreleiTeeter05 LoreleiTeeter05
  • 10-06-2018
I think it is B. my answer must be 20 characters ignire this
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