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

Predict the formulae of the stable binary compounds that would be formed by the combination of the following pairs of elements
(a) Lithium and Oxygen
(b) Magnesium and Nitrogen
© Aluminium and Iodine
(d) Silicon and Oxygen
(e) Phosphorus and Fluorine
(f) Element 71 and Fluorine.