Historical Developments of the Atomic Theory

Plum Puddng model

Jan 1, 1904

J.J. Thompson puts forward the 'plum pudding' model of the atom. This was later disproved.

Bohr Model

Jan 1, 1913

Niels Bohr: Developed an explanation of atomic structure that underlies regularities of the periodic table of elements. His atomic model had atoms built up of sucessive orbital shells of electrons.

test

Apr 22, 1950