Question
Give the formulae of the stable binary compounds that would be formed by the combination of following pairs of elements.
1. Mg and $N _2$
2. Li and $O _2$
3. Al and $Cl _2$
4. K and $O _2$
1. Mg and $N _2$
2. Li and $O _2$
3. Al and $Cl _2$
4. K and $O _2$