4 mar 1911 año - Bohr

Descripción:

Date: 1911-1922

Country: Denmark

Observations/Experiments/Evidence: Worked on the problems with Ernest Rutherford’s model of the atom.

Discoveries/Conclusions: He discovered that electrons travel around the nucleus in fixed orbits. He came to the conclusion that electron can only exist in certain energy levels.

Contribution: Developed the Bohr model of the atom.