Question

what is an atom please define it

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Answer 1

Answer:

An atom itself is made up of three tiny kinds of particles called subatomic particles protons, neutrons, and electrons. an atom is the smallest component of an element,

Explanation:

Answer 2

Answer:

An atom is a finest particle. It is a pure substance. when two or more atoms combine they will give molecules of the element. When two of more atoms of different elements combine, the molecules of a compound is formed.

The atoms of different elements are present in a compound in a fixed and definite ratio and this ratio is the characteristic of particular compound.