Question

what is atom? who discovered the atom​

Answer 1

$\Large\mathcal{\fcolorbox{lime}{black}{\red{Atom}}}$

The smallest particle of a chemical element that can exist.

Democritus was a Greek philosopher who was the first person to use the term atom (atomos: meaning indivisible). He thought that if you take a piece of matter and divide it and continue to divide it you will eventually come to a point where you could not divide it any more.

Answer 2

Answer:

an atom is the smallest component of an element characterized by a searing of the chemical properties of the element and A nucleus with nucleus and protons and electrons.

Democritus discovered the atom.

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