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Chemistry 14 Online
OpenStudy (anonymous):

What did Bohr contribute to atomic theory? A. Bohr determined that the atom's mass came from neutrons and protons. B. Bohr discovered that the mass of the atom was located at its center. C. Bohr developed a model of the atom that predicts how it will behave. D. Bohr determined that atoms contain both positive and negative charges.

OpenStudy (athecool):

C.

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