-
Thought all things were made of water
-
First person to think of the atom. thought it was a solid sphere.
-
Didn't believe in the Atomic Theory. believed all substances were made of fire, water, earth, and air.
-
He agreed with Democritus.
-
Atomic theory. First to have experimental evidence.
-
discovered reactivity, couldn't explain it.
-
discovered the electron
-
discovered the nucleus
-
Found the charge of an electron
-
thought electrons orbited around the nucleus
-
atomic model was the quantum mechanical model.
-
Proved the exsistence of neutrons.