Question

How would you differentiate between a molecule of an element and a molecule of a compound?

Answer 1

The only difference between a molecule of a compound and amolecule of an element is that in amolecule of an element, all the atoms are the same. For example, in amolecule of water (a compound), there is one oxygen atom and two hydrogen atoms. But in a molecule of oxygen (anelement), both of the atoms are oxygen.

Answer 2

Molecules of an element contains the same kind of atoms,e.g. P4 is a molecules of element which contains all four atoms of phosphorus.

Molecules of a compound contains two or more kinds of atoms, e.g. H2O is molecules of compound which contains 2 atoms of hydrogen and 1 atom of oxygen.

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