gavinperkins1290 gavinperkins1290
  • 17-12-2017
  • Chemistry
contestada

What percentages of atoms are heavier than hydrogen and helieum?

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Gollywolly Gollywolly
  • 17-12-2017
Look at a periodic table. Ptable.com is great. Amu= g/mol which is found under the symbol. divide the number heavier by the total and multiply by 100 to get percent.
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