chemistry Project

Timeline created by facebooker_100000633450898
  • 300

    Aristotle

    Provided method of gathering scientific facts.
  • 400

    Democritus

    postulated that light was made up of different particles that, in addition to wavelike behavior, demonstrate certain porperites unique to particles. He also brought forth the theory of relativity
  • 500

    Alchemists

    Searched for the Philosopher's stoe,which could transform base materials like copper orlead in gold and for the Elix of life which would grant immortality.
  • Robert Boyle

    he discovered the Boyle's Law V=CblPa
  • Lavoisier

    provided the formula for conservation of matter in chemical reactions and element and a compound.
  • John Dalton

    Stated that all matter is made up of atoms, Atoms are eternal and invisible and they can't be divided.
  • Averdeo Avogadro

    formulated the atomic theory, that all matter is composed of tiny, indestructible particles called atoms that are alike and have the same atom weight.
  • Joseph Proust

    publish his law of definite proportations stating that when a compound are analysed into their constituent parts they are always contain the same proportations of their element by weight
  • Couloumb

    Formulated the law that the force betwen two electrical charges is proportional to the product of the charges and inversely proprtional to square of distance between them, one of the forces involved in atomic reactin
  • Michael Faraday

    Formulated the second law of electrolysisi the amounts of bodies which are equivalent to each other in etc
  • Jons Berealious

    he worked out the morden techinque of chemical formula notation.
  • JJ Thompson

    Discovered the electron and developed the plum-pudding model of the atom
  • Marie Curie

    Discovered radium and polonium when they stared to investigate radioactive substance.
  • Max Planck

    Branch of Physics bealing with physical phenomena at microscoscopic scales
  • Becqueral

    It is now known that Becquerel discovered one type of radioactivity – beta particles (beta-ray activity), which is due to high-speed electrons leaving the nucleus of the atom – in this case, the uranium atom.
  • Albert Einstein

    Originated the Quantum theory
  • Geiger

    introduced the first detector of alpha particles and other radiations.
  • Roberto Milliken

    found out the electric charge of the electron
  • Ernest Rutherford

    Used the results of his gold-foil experiment to state that all the mass of an atom were in a small positively-charged ball at the center of the atom.
  • Nelis Bohr

    Stated that the electrons moved around the nucleis in successively large orbits. He also presented the Bohr atomic model which stated that atoms absorb or emit readition only when the electrons abruptly jump between allowed, or stationary,states.
  • Werner Hiesenberg

    The development of the matrix mechsnics for mulation of quantum mechanics
  • Erwin Schroedinger

    Introduction the shroedinger Equation, a wave equaion that describes the form of the probability waves that govern the motion of small particles and how these waves are altered by external influences.
  • Otto Hahn & Lise Meitner

    Discovered nuclear fission,in which the nucleus of an atom breaks up ito two separate nuclei,while experimenting with uranium
  • Murray Gell-Mann and Geoge Zweig

    Brought forth the idea of "quarks", little bits of matter which when used kind of like buliding blocks,serve to explain some complex chemical substances.
  • Gienn T. Geoborg

    Isolated and Identified elements heavier than uranium, and in the process, added elements number 94-102, and 106