Question

Which of the following is not an example of a molecule?

Answer 1

Mn is the answer i just took the test

Answer 2

Answer : The option is, (D) Mn

Explanation :

Pure substance : It is defined as a substance that is made by the combination of only one type of atom or only one type of molecule.

Compound : It is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.

Element : It is a pure substance which is composed of atoms of similar elements.

Molecule : It is the smallest particle in the chemical compound or chemical element that has the same chemical properties of that compound or element.

Option A :

$O_3$ is molecule of element.

Option B :

$KOH$ is molecule of compound.

Option C :

$H_2S$ is molecule of compound.

Option D :

$Mn$ is and element.

Hence, the element Mn is not an example of a molecule.