4 март 1911 г. - Bohr

Описание:

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.

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