If the valency of hydrogen is 1 and that of nitrogen is 3, work out the formula for ammonia.

Work out the formula of :) Ammonia

Work out the formula for aluminium sulphate .

Work out the formula of carbon dioxide.

If the valency of carbon is 4 and that of sulphur is 2, work out the formula of the compound formed by the combination of carbon with sulphur. What is the name of this compound ?

Valency of nitrogen is………

Work out the formula of :Carbon dioxide

If the valency of carbon is 4 and that of hydrogen is 1, then the molecular formula of mathane is _______.

The valency of nitrogen in NH_3 is

The valency of carbon is 4 and that of hydrogen is 1. Write the formulae of the simplest compound produced by the combination of carbon and hydrogen .