Model of the Atom Timeline

by katy blevins

John Dalton model of an atom - 1803

john dalton pictures atoms as as tiny, indestructible particles, with no internal structure

J.J Thompson model of an atom - 1897

a british scientist, discovers the electron, leading to his "plum Pudding" model. he pictures electrons embedded In a sphere of positive electric charge

Hantaro Nagaoka model of an atom - 1904

a Japanese physicist, suggests that an atom has a central nucleus. electrons move in orbits like the rings around saturn

Ernest Rutherford model of an atom - 1911

he states that an atom has a dense, positivity charged nucleus. Electrons move randomly in the space around the nucleus

Neils Bohr's model of an atom - 1913

the electrons move in spherical orbits at fixed distances from the nucleus

Louis De Broglie's model of an atom

Erwin Schrodinger's model of an atom

James Chadwick's model of atom