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Give the formulae of the stable binary compounds that would be formed by the combination of following pairs of elements : (a) Mg and N2 (b) Li and O2 (c) Al and Cl2 (d) K and O2

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Give the formulae of the stable binary compounds that would be formed by the combination of following pairs of elements :

(a) Mg and N2 

(b) Li and O2

(c) Al and Cl2 

(d) K and O2

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(a) 3Mg + N2 → Mg3N2

(b) 4Li + O2 → 2Li2O

(c) 2Al + 3Cl2 → 2AlCl3

(d) 4K + O2 → 2K2O

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