homoatomic

As an adjective homoatomic

is (chemistry) describing a molecule, all of whose atoms are of the same element.

As a noun null is

zero, nil; the cardinal number before einn.

As a noun element

is element (part of a whole).

As an adjective homoatomic is

(chemistry) describing a molecule, all of whose atoms are of the same element.

As a noun atom

is an (l).

As an adjective homoatomic is

(chemistry) describing a molecule, all of whose atoms are of the same element.

In chemistry terms the difference between molecule and homoatomic

is that molecule is the smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds while homoatomic is describing a molecule, all of whose atoms are of the same element.

As a noun molecule

is the smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds.

As an adjective homoatomic is

describing a molecule, all of whose atoms are of the same element.