hamzaijaz123 hamzaijaz123
  • 11-07-2017
  • Chemistry
contestada

Classify He and H2 are element compound or mixture

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joannechan00oswszy
joannechan00oswszy joannechan00oswszy
  • 11-07-2017
He is helium, an element

H2 is hydrogen, is also an element

hope it helps :)
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