Chemistry, 17.06.2020 13:57, zmeister

Which of the following compounds with valance of -2 except. which are? a, H2O. b, Al2O3. c, CaO. d, Na2O2

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Which of the following compounds with valance of -2 except. which are? a, H2O. b, Al2O3. c, CaO. d,...