Chemistry
The valency of aluminium is 3. Write the valency of other radicals present in the following compounds.
(a) Aluminium chloride
(b) Aluminium oxide
(c) Aluminium nitride
(d) Aluminium sulphate
Related Questions
What is variable valency? Give two examples of elements showing variable valency.
(a) What is a chemical equation?
(b) Why is it necessary to balance a chemical equation?
(c) What are the limitations of a chemical equation?
State the important information obtained from the following in four points:
(a) A molecular formula of a compound.
(b) A balanced chemical equation for a reaction.
State five ways by which a chemical equation can be made more informative.