The valency of inert gases is

Write the name of $Fe_2(SO_4)_3$ according to the stock notation method.

The maximum valency of an element with atomic number $7$ is

Select the $CORRECT$ order of stability.

Predict the formulas 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
$(c)$ Aluminium and iodine
$(d)$ Silicon and oxygen
$(e)$ Phosphorus and fluorine
$(f)$ Element $71$ and fluorine

The general formula of the compound formed when a metal $(M)$ of group $1$ reacts with a non-metal $(X)$ of group $16$ is: