ATOMS

By NathanandNoah
  • 101

    Early Greeks

    Early Greeks
    They saw that you could get a peice of paper and cut it but eventually you could not cut it anymore.

  • John Dalton

    John Dalton
    Dalton belived that atoms were hard spheres.

  • Werner Heisenberg

    Werner Heisenberg
    Heisenberg included the cloud in the atoms

  • Crookes

    Crookes
    Crooke invented the CRT by putting a negative charge and a positive charge.

  • J.J. Thomson

    J.J. Thomson
    J.J. put magnets on the CRT and discovered electrons (e-) and made up the plum pudding method

  • Rutheford

    Rutheford
    He fired particles into the gold and expected them to go through them, but some of them bounced back and he made the theroy that atoms have a nucleus.

  • Bohr

    Bohr
    Bohr said that the negative charge orbited around the nucleus.