History of Chemistry

By smorris19
  • 300

    Mention of Philosopher's Stone

    300 BC
  • 400

    Democritus suggests that all things are made of particles (atoms)

    Suggests that all things are made of particles (atoms) [ 400 BC ]

  • Robert Boyle

    a 17th century natural philosopher, chemist, physicist, and inventor, also noted for his writings in theology.

  • Phlogiston Theory Stated

    The theory was an attempt to explain processes of burning such as combustion and the rusting of metals, which are now collectively known as oxidation.

  • Henry Cavendish

    H. Cavendish

  • Joseph Priestly

    Priestly
    an 18th-century English theologian, Dissenting clergyman, natural philosopher, chemist, educator, and political theorist who published over 150 works. He is usually credited with the discovery of oxygen

  • Antoine Lavoisier

    French chemist who, through a conscious revolution, became the father of modern chemistry.

  • John Dalton

    John Daltonan English chemist, meteorologist and physicist. He is best known for his pioneering work in the development of modern atomic theory, and his research into colour blindness

  • Thomas Young

    Demonstrated the wave nature of light and the principle of interference.

  • John Dalton's Atomic Theory

    Atoms of the same element are all alike. They combine to make compounds.

  • Avogadro

    Avogadro
    is defined as the ratio of the number of constituent particles N (usually atoms or molecules) in a sample to the amount of substance n (unit mole) through the relationship NA = N/n.

  • Hans Oersted

    Observed that a current in a wire can deflect a compass needle - provided first concrete evidence of the connection between electricity and magnetism.

  • William Sturgeon

    Invented the electromagnet.

  • Sadi Carnot

    Analyzed heat engines.

  • Simon Ohm

    Stated law of electrical resistance.

  • Robert Brown

    Discovered Brownian motion.

  • Ernest Rutherford

    Rutherford
    a New Zealand-British chemist and physicist who became known as the father of nuclear physics.

  • Niels Bohr

    Niels Bohr

  • James Chadwick

    Chadwick an English Nobel laureate in physics awarded for his discovery of the neutron.

  • J.J. Thomson finds the electron

  • Pitchblende Discovered

    Pitchblende is a radioactive mineral made up of the mineral uraniumite; one of the main mineral ores of uranium.

  • Ernest Lawrence

    Invented the cyclotron in which first synthetic elements were created. Nobel Prize 1939.

  • Wilard F Libby

    Developed radiocarbn dating technique based on carbon-14. Nobel Prize 1960.

  • Ernest Rutheford discovers the proton

  • Ernest Rutherford discovers the nucleus

  • Niels Bohr suggests that electrons are found in shells around the nucleus

  • James Chadwick proves that neutrons exist

  • Buckminsterfullerene

    Bucky Ball
    a spherical fullerene molecule with the formula C60.