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dtraylor dtraylor
  • 01-02-2017
  • Chemistry
Answered

Which is a pair of allotropes?

molecular oxygen and ozone



diamond and carbon dioxide



carbon-14 and carbon-12



iron(III) oxide and iron(II) oxide

Verified Answer :

answerrrmeee
answerrrmeee answerrrmeee
  • 01-02-2017

1st one I think.........................

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