Question

Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to existence

Answer 1

Existence

Elements –Elements i.e. atoms are present on their own. e.g. Iron and sulphur exist on their own as elements iron and sulphur.

Compounds – Components in a compound present in a definite proportion. e.g. Iron and sulphur are chemically combined in a fixed ratio in iron sulphide

Mixtures –Components in a mixture present in any proportion. e.g. Iron and sulphur are mixed in any ratio in the mixture of iron and sulphur.