loraor19w6 loraor19w6
  • 04-06-2017
  • Physics
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if a material contains three elements but not joined in a fixed proportion it is a

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Аноним Аноним
  • 04-06-2017
my answer -

 a molecule The clues are that it is elements, so that means atoms, and that it is in a fixed proportion like a molecular formula.

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