Seudónimo Seudónimo
  • 01-12-2015
  • Chemistry
contestada

What substances do not exist as molecules in nature?

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Аноним Аноним
  • 01-12-2015
neon and helium... 
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Аноним Аноним
  • 01-12-2015
Yes. The answer is Neon and helium.
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