Question

what is the difference between atoms any molecules?

Answer 1

a atoms is a single unit whereas the molecule is a group of combinded atoms

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Answer 2

An atom is defined as the basic unit of element which possesses the properties of the element. By basic, we mean that it is the building block of matter . It is the smallest particle of an element that can take part in a chemical reaction. Every atom consists of protons, neutrons and electrons.

For example Carbon will consist of atoms which will show the properties of carbon only and not any other element.

A molecule on the other hand is a group of two or more atoms which combine together to form a single species, whose properties are different from that of the combining elements.

For example, 2 atoms of Hydrogen and one atom of oxygen combine to form one molecule of water [ H2O ].