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Democritus created an atomic theory stating that atoms are miniscule quantities of matter.
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He created the combustion theory. This was based on sound mass measurements.
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he proposed the law of constant compotition. This law was radical.
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Dalton proposed the law of multible porportions. This led to the atomic theory.
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He discovered electromagnetic induction, diamagnetism and electrolytes.
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Together they discovered a new type of radiation which was called the x-ray.
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In 1897 he descovered the electron In a series of expiriments. These were meant to study electric discharge.
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He discovered radioactivity and won the nobel prize in physics.
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Decide the unit charge of electron.
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He proposed the nuclear atom and the existence of the third atomic partical, the nuetron.
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He proposed a theory for the hydrogen atom based on quantum theory that energy is tranferred only in certain well defined quantities.
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He developed the theory of relativity.
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He originated the quantum theory.
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He suggested that all matter has wave properties and won a nobel prize for his efforts.
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He discovered new productive forms of atomic theory. He created a wave equation that accurately gave the energy levels of atoms.
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He discovered the neutron and later won a nobel prize.
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Discovery of the fission of heavy nuclei.
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On the team that discovered nuclear fission and colleague of Otto Hahn.
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His discovery and investigation in transuranium elements earned him a nobel prize in chemistry.
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He believed that everything on earth was made from four elements.
