Atomic theory

Atomic Theory

By Groesdev

  • Joseph Proust

    Joseph Proust
    Joseph Proust was a French chemist and developed the use of hydrogen sulfide as a reagent and give results of his chemical research in terms of percentage weights.He was born Sept. 26, 1754 in Angers, France and died in 1826.

  • John Dalton

    John Dalton
    He was a British scientist. He was a pioneer in the development of modern atomic theory. He was born Sep. 6, 1766 and he died July 27, 1844.

  • Amedeo Avogado

    Amedeo Avogado
    Italian mathematical physicist who showed in what became known as Avogadro’s law that, under controlled conditions of temperature and pressure, equal volumes of gases contain an equal number of molecules. He was born Aug. 9, 1776 and died July. 9, 1856.

  • Dmitri Mendeleev

    Dmitri Mendeleev
    Mendeleev was a Russian chemist and inventor. He was born 8 Feb. 1834 and died 2 Feb. 1907. He created the first version of the Periodic Table of Elements.

  • JJ Thomson

    JJ Thomson
    English physicist who helped the atomic structure by his discovery of the electron. He was born Dec. 18, 1856 and died Aug. 30, 1940.

  • Marie Curie

    Marie Curie
    She was born Nov. 7, 1867 and died July 4, 1934. She was a Polish-born French physicist and was famous for her work on radioactivity.

  • Ernest Rutherford

    Ernest Rutherford
    He was born Aug. 30, 1871. and died Oct. 19, 1937. Rutherford was a British physicist that studied radioactivity, and with his view of the nuclear atom he led the exploration of nuclear physics.

  • Hans Geiger

    Hans Geiger
    Geiger was a German physicist. He was born Sept. 30, 1882 and died Sept. 24, 1945. He introduced the first successful detector.

  • Neils Bohr

    Neils Bohr
    Bohr was a Danish physicist. He was born Oct. 7, 1885. and he died Nov. 18, 1962. He was the first to apply the quantum concept.

  • Enrico Fermi

    Enrico Fermi
    Fermi is a Italian-American scientist. He was born Sept. 29, 1901 and died Nov. 28, 1954. He explored nuclear transformations caused by neutrons, and he directed the first controlled chain reaction involving nuclear fission.