Question

what is atom?
who discovered atom first of all

Answer 1

Answer:

Democritus

Lesson Summary. Around 450 B.C., the Greek philosopher Democritus introduced the idea of the atom. However, the idea was essentially forgotten for more than 2000 years. In 1800, John Dalton re-introduced the atom.

Explanation:

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Answer 2

Answer:

Atom

the smallest particle of a chemical element that can exist.

Around 450 B.C., the Greek philosopher Democritus introduced the idea of the atom.

However, the idea was essentially forgotten for more than 2000 years.

In 1800, John Dalton re-introduced the atom.

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