WHO CAME UP WITH THE IDEA OF ATOMS?

Models of the Atom Check out this page to see how various people in history have imagined what the atom looks like.
A Short History of the Atom This is a wikispace that has a nice overview of what atoms look like, from Democritus to the newest theorists
‍More info on Rutherford's MODEL Try the simulation on his experiment
Try a simulation of Bohr's Model . Click on Science Trek go to Quantum Atom then click on Bohr’s Atom.