Question

What are atoms, molecules, and ions?

Answer 1

see below.

Explanation:

An atom is a smallest particle of any element that has three basic components i.e. protons, neutrons and electrons.

Group of similar atoms, together form a molecule . {But group of different atoms forms compound.}

when an atom or a molecule gains or looses an electron, it becomes an ion. {positive ion at the loss of electrons & negative ion at the gain of electrons.}