Chemist: Niels Bohr
Contribution: The Bohr Model
Niels Bohr developed his own atomic model by applying quantum theory, calculating possible energy levels for the atoms to orbit upon. His atomic model envisions the atom as a small, positively charged nucleus surrounded by electrons spinning in separate orbits, with the outermost electrons determining the element's properties.
Bohr's model relies on the ideas of both Ernest Rutherford and J.J. Thomson.
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