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He started the theory of universe that is made up of tiny atoms, which is similar to modern atomic theory
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He started the theory of universe that is made up of tiny atoms, which is similar to modern atomic theory
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His theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. All atoms are identical, but different elements had atoms of different size and mass.
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His theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. All atoms are identical, but different elements had atoms of different size and mass.
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The first chemist to use the trends in his periodic table to correctly predict the properties of missing elements, like gallium and germanium.
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The first chemist to use the trends in his periodic table to correctly predict the properties of missing elements, like gallium and germanium.
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Contributed greatly to the study of cathode rays. He discovered protons with the experiments he did with cathode rays which would knock electrons of atoms and attract them to a positively charged electrode.
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Contributed greatly to the study of cathode rays. He discovered protons with the experiments he did with cathode rays which would knock electrons of atoms and attract them to a positively charged electrode.
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Discovered the electron by experimenting with a cathode ray tube.
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Discovered the electron by experimenting with a cathode ray tube.
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Originator of the quantum theory of energy. Contributed to the understanding of atomic and subatomic processes
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Originator of the quantum theory of energy. Contributed to the understanding of atomic and subatomic processes
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Had an oil drop experiment that helped to quantify the charge of an electron, which contributed to the structure of the atom and atomic theory.
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Had an oil drop experiment that helped to quantify the charge of an electron, which contributed to the structure of the atom and atomic theory.
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Had a well known gold foil experiment in which he demonstrated that the atom has a tiny and heavy nucleus.
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Had a well known gold foil experiment in which he demonstrated that the atom has a tiny and heavy nucleus.
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Proposed a theory for the hydrogen atom, that energy is transferred only in certain well defined quantities
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Proposed a theory for the hydrogen atom, that energy is transferred only in certain well defined quantities
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Used mathematical equations to describe the likelihood of finding an electron in a certain position. His model is know as the quantum mechanical model of the atom
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Used mathematical equations to describe the likelihood of finding an electron in a certain position. His model is know as the quantum mechanical model of the atom
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Mixed beryllium atoms with alpha particles creating a radiation. He thought that the radiation was composed of particles with a neutral electrical charge and the approximate mass of a proton
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Mixed beryllium atoms with alpha particles creating a radiation. He thought that the radiation was composed of particles with a neutral electrical charge and the approximate mass of a proton
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Best known for his uncertainty principle and theory of quantum mechanics, receiving the nobel prize for physics in 1932 for research and application of the principle.
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Best known for his uncertainty principle and theory of quantum mechanics, receiving the nobel prize for physics in 1932 for research and application of the principle.
