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History of the atom theory- Bhavna Sahai

By PMurphy
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    Aristole

    Aristole
    Aristole is another greek philosher but also a scientists. He stated that primary substances are made of 4 things. He also made the Triskel.
  • 460

    Democritus

    Democritus
    Democritus was a greek philosher. he proposed that matter performed in tiny pieces
  • John Dalton

    John Dalton
    John Dalton was an English chemist.He was the one who made the atomic theory.
  • J.J. Thomson

    J.J. Thomson
    J.J was an English physist. He dicovered the electron. he died in 1940.
  • Robert Millikan

    Robert Millikan
    Robert Millikan was an American experimental physicist. He measured the elementary electronic charge in small oil drolets. He died in 1953.
  • Niels Bohr

    Niels Bohr
    Niels Bohr was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory. Ernest Rutherford, J. J. Thomson, Søren Kierkegaard, Harald Høffding, Christian Christiansen are the people he was influenced by. And he himself, has influenced alot of people. We use the Bohr's model named after him to see the number of protons and neutrons in an element.
  • James Chadwick

    James Chadwick
    James Chadwick was an English physicist. He won the Nobel Peace prize for Physics for his discovery of the atom. He also inspired the U.S government to reesearch and devlop an atom bomb.