26-10-2017
Chemistry

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Which of the following chemical formulas shows a covalent compound? A.CO2 B.MgO C. NaCl D.HBr

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soroushharsini soroushharsini

26-10-2017

A...because both of them(carbon and oxygen)are nonmetal

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nataschasilvaoudc69 nataschasilvaoudc69

31-10-2017

a I have had that question

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