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Born: BC 460,
Died: BC 370 An ancient greek philosopher who was known for the atomic theory. -
Discovered in 1789 by Antoine Lavoisier. States that mass can neither be created nor destroyed in chemical reactions.
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Discovered by John Dalton, this was known as the first useful atomic theory of matter.
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Discovered by Josewph Proust, this law states that a chemical compound always contains exactly the same proportion of elements by mass.
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J.J. Thompson (18 December 1856 – 30 August 1940), was a physicist who discovered the electron and conducted the Cathode Ray tube experiment.
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Robert A. Millikan, an American Physicist who won a nobel prize for his measurement of the charge on the electron and for his work on the photoelectric effect.
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Ernest Rutherford August 30, 1871 - October 19, 1937 who created the rutherford model of an atom.
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Discovered by J.J. Thompson, it was examined in hope to gain information of the nature of Cathode tube rays.
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Discovered by J.J. Thompson, it helped him discover the electron and announce the fact that atoms must have structures.
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Rutherford's conclusion that most of the mass of an atom was contained in the small nucleus, and that the rest of the atom was mostly empty space,
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A model proposed by Niels Bohr, which is a modification of Rutherford's model.
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A model that was created to explain observations of an atom.
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The model of an atom, which was made by Ernest Rutherford.
