-
Democritus was Greek philosopher who proposed the idea that matter is made of tiny, indivisible, indestructible particles that he called atomos, from which the English word atom(meaning indivisible) is derived.
-
The name of the theory that John Dalton has created is called the Dalton's Atomic Theory. Dalton discovered that all elements are made up of something called atom.
-
J.J. Thompson was a English scientist who discovered that electron when he was experimenting with gas discharged tubes. By doing this he discovered electrons.
-
Lord Ernest Rutherford did something called the gold foil experiment. He discovered that atoms are made of a small positive nucleus; positive nucleus repels (pushes away) positive alpha particles.
-
Niels Bohr was a Danish physicist. He proposed a model of the atom that is similar to the model of the solar system.
