Question

How old is the idea that matter is composed of atoms?

Answer 1

Dalton's theory was that atoms makes up everything. The greek philosepher and scientist who lived in the south coast Democritus (400BC) proposed that there were indivisible atoms.

Answer 2

can i have a medal

Answer 3

ill give you one but it said how old is it like 150years old or 500 years old thats what its asking