Chemistry Atomic Models Scientists

Democritus

First to come up with the idea that the atom exists

John Dalton 1808

First to do experiments that proved that atoms exist

J.J. Thompson 1904

Discovered the lightest subatomic particle (Plum Pudding Model)

Ernest Rutherford 1911

Discovered the positive nucleus of the atom (Nuclear Model)

Niels Bohr 1913

Credited with an atomic model where electrons orbit the nucleus (Bohr Model Orbits)

Erwin Schrodinger 1920s

Responsible for the most modern model of the atom (Quantum Mechanical Model Orbital)

James Chadwick1932

Discovered the neutron