1.Which of the following is the principal combustion product of Na metal? a.NaO2 b.Na2O2 c.Na2O d.NaO 2.Basic properties are characteristic of all alkaline earth metal oxides except one. The formula of this exemption is ___________. a.MgO b.CaO c.BeO d.SrO

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Group 14 Elements

The following elements come under group 14 of the periodic table.