Masters of atomic theory

Ernest rutherfird

discovered protons and emissions of radioactive elements

Niels Bohr

Discovered the relationship between outer shell and chemical properties

Louis de broglie

supplied the equations to combine wave and particle energy

Jamed Chadwick

Discovered the neutron

Proton

one of the particles of the nucleus

Quantum

Energy available or given off in specific, predictable quantities

Neutron

neutral particle found in the nucleus

Nucleus

Central core of the atom

Democritus

Ancient Greek philosopher who first proposed that matter is composed of indivisible particles called atoms.

John dalton

father of modern atomic theory

jj thompson

Discovered the electron

Roentgen

discovered xrays

Becquere

Discovered radioactivity