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

(a) Mg and N2


(b) Al and Cl2


(c) Li and O2


(d) K and H


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(a) Mg3N2. Is the formula for Mg and N2 combination.


(b) AlCl3. Is the formula of Al and Cl2 combination.


(c) Li2O is the formula obtained by the combination of Li and O2.


(d) KH is the formula obtained by the combination of K and H.


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