Atomic History

Atomic timeline

Period: Jan 25, 1800 to Jan 25, 1950

Jhon Dalton

Jan 30, 1808

Jhon Dalton created the first atomic therory.

JJ Thomson

Jan 30, 1897

JJ Thomson was the first scientist to show that atoms were made of smaller things

Marie Curie

Jan 30, 1901

Marie Curie discoveredredioactive metals.

Democritus

Jan 30, 1907

Democritus discovered that matter could not be divided into smaller peices.

Ernest Rutherford

Jan 30, 1908

Ernest Rutherford named "protons"

Niels Bohr

Jan 30, 1913

Niels Bohr improved on Rutherfords model.

Henry Moseley

Jan 30, 1913

Henry Moseley Provided the first experimental evidence on Neil Bohrs therory.

Erwin Schrodinger

Jan 30, 1920

Erwin Schrodinger new atoms model has improved since 1920

James chadwick

Jan 30, 1932

James chadwick discovered nuetrons

Lise Meitner

Jan 30, 1945

Lise Meitner Discovered Nuclear fission