science dr Bob
posted by sam .
I think I might have gotten htese two incorrect
atoms are small ahrd particles - I put Democritius
An atom is the smallest peice of matter - I put Dalton
Are these correct
#1 I don't know. The idea of atoms being small hard particles is hard for anyone to explain, for example, why oxygen gas isn't hard or nitrogen gas isn't hard.
#2.I would answer Democritus for this although he had no evidence to prove what he thought.