The Evolutionary Discoveries of the Atom

By h4z3123

  • John Dalton

    Dalton became a secretary of the Manchester Literary and Philosophical Society

  • John Dalton's 5 postulates

    The atoms of a given element are different from those of any other element; the atoms of different elements can be distinguished from one another by their respective relative atomic weights.
    All atoms of a given element are identical.
    Atoms of one element can combine with atoms of other elements to form chemical compounds; a given compound always has the same relative numbers of types of atoms.
    Atoms cannot be created, divided into smaller particles, nor destroyed in the chemical process; a chem

  • Dalton's third edition of System of Chemistry

  • William Crookes Discovers thallium

  • Mendeleev's Law of Octaves was published

  • Period: to

    Mendeleev organizes the elements according to their atomic properties

  • Mendeleev made a formal presentation to the Russian Chemical Society, entitled The Dependence between the Properties of the Atomic Weights of the Elements

  • Crookes identifies the first sample of Hellium

  • Ernest Rutherford discovers the half-life

  • JJ Thomson won the Nobel Prize In Physics for the discovery of the Electron

  • Rutherford comes up the the Rutherford model

  • First evidence of isotopes appeared

  • Niels Bohr introduces the bohr model

  • Rutherford was the first to split the atom

  • Niels Bohr wins the Nobel Prize for the Fundemental design of the atom

  • Chadwick Discovers the neutron

  • Chadwick became Professor of Physics at Liverpool