What did Dalton do to differentiate between elements and compounds?

Differentiate between elements and compounds.

Differentiate between the following -

Elements and Compounds

Differentiate between elements and compounds with the help of examples.

Tabulate a comparative chart - to differentiate between elements, compounds and mixtures. Differentiate them with reference to (a) the term (b) existence (c) properties (d) separation of components.

Differentiate between molecules of an element and molecules of a compound.