Timeline scientists

  • Edme Mariotte

    Edme Mariotte
    Boyle-Mariotte Law: P and V are inversely proportional at constant T and n
    P1V1=P2V2
  • Robert Boyle

    Robert Boyle
    Boyle-Mariotte Law: P and V are inversely proportional at constant T and n
    P1V1=P2V2
  • Jacques Charles

    Jacques Charles
    Charle's Law: T and V are directly proportional at constant P and n
    V1/T1=V2/T2
  • John Dalton

    John Dalton
    He was an english chemist, physicist, and meteorologist. He developed the atomic theory and stated that all matter is made up of atoms which can't be broken into smaller particles. He also researched into colour blindness.
  • Amedeo Avogadro

    Amedeo Avogadro
    Avogadro's number (6.02*10^23) and Avogadro's Law: At the same temperature and pressure, an equal number of moles of any gas will occupy the same volume.
  • Louis Joseph Gay-Lussac

    Louis Joseph Gay-Lussac
    Gay Lussac's Law: P and T are directly proportional at constant V and n
    P1/T1=P2/T2
  • François-Marie Raoult

    François-Marie Raoult
    Raoult's Law: Vapor pressure of solution (P) = Vapor pressure of pure solvent (Po) ·Molar fraction of solvent (Xo)
  • James Clerk Maxwell

    James Clerk Maxwell
    The Maxwell-Boltzmann distribution:
  • Ludwig Boltzmann

    Ludwig Boltzmann
    The Maxwell-Boltzmann distribution
  • Joseph John Thomson

    Joseph John Thomson
    Thompson came up with the "plum pudding model" for the atom. He was the first scientist to propose that the atom was not the smallest particle and he stated that there were small negative particles called electrons. He proposed that these electrons sat in a positive jelly like plums in a plum pudding.
  • Ernest Rutherford

    Ernest Rutherford
    He fired alpha particles at a thin sheet of gold foil and found out that although most alpha particles went straight through the sheet, some were deflected or even reflected back towards their source.
  • Niels Bohr

    Niels Bohr
    Neils Bohr used evidence from atomic absorption and emission spectra to suggest a more detailed structure of the atom. He stated that:
    - Electrons orbit around the nucleus without losing energy.
    - Only some orbits are permitted.
    - Electrons change of orbit by absorbing or emitting the difference of energy between the initial and final level.
  • Erwin Schrödinger

    Erwin Schrödinger
    He was an Austrian physicist who developed a number of fundamental results in the field of quantum theory and elaborated the Schrödinger Equation, which was used to predict areas in the atom where there was a 99% probability of finding an electron.
  • Werner Heisenberg

    Werner Heisenberg
    Werner Heisenberg came up with his uncertainty principle. This stated that we cannot know both the position and momentum of an electron at the same time