Question

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

Answer 1

The only difference between the mole of an element an' the mole of a compund is that the mole of elements have the same type of atoms.

Eg : - The molecules of H2O have two different types of atoms i.e., one atom of oxygen and two atoms Hydrogen.

Whereas in Oxygen both atoms are of Oxygen.

Note : - H is an atom of Hydrogen and H2 is a Hydrogen molecule.

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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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