New timeline
Category: Other
Updated: 20 Sep 2018
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Created byJacob Pearson
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Democritus had asked the question about how matter could be divided into smaller and smaller pieces forever.Chemist John Dalton had performed a number of experiments that lead him to the idea of atoms.An English scientist by the name of J.J. Thomson had provided the first hint of that an atom is made of smaller particles.English Scientist Ernest Rutherford had worked hard to discover the mysteries of an atomic structure.A Danish scientist named Niels Bohr had made an improvement by placing electrons in specific energy levels.
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