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Atomic Theory - Kaeli Johnson
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Wurde aktualisiert 19 Dez 2019
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Kaeli Johnson
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Marie & Pierre Curie - discovered radium and polonium - the rays she theorized came from the elements atomic structure
John Dalton - identified the heredity nature of red-green colorblindness - proposed a theory that all matter is made up of atoms that are invisible and indestructible
James Chadwick - discovered neutrons - neutrons are located in the center of an atom
Ernest Rutherford - discovered nucleus of the atom - demonstrated that the atom has a tiny and heavy nucleus
J.J. Thomson - discovered electron - realized that the acceptance model of an atom did not account for negatively or positively charged particles
Robert Millikan - discovered the study of elementary electronic charge and the photoelectric effect, the electrons are what helps atoms stick together
Joseph Louis Proust - discovered the law of constant compensation in 1794, the law states that if a compound is broken down the masses will have the same proportions regardless of the original substance
Neils Bohr - proposed a theory for the hydrogen atom based on quantum theory- stated that electrons should move around the nucleus only in prescribed orbits.
Michael Faraday - discovered electromagnetic induction, he believed that the atom had more than just negatively charged they had another electrical component
Erwin Schrodinger - his wave equation is used to find the allowed energy level of quantum mechanical systems, such as atoms
Antoine Lavoisier - discovered the role oxygen plays in combustion, the first person to make good use of balance
Democritus - developed concept of the ‘atom’ - believed everything in the universe was made up of atoms
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