Atomic Theory

By adambom
  • Aristotle
    335

    Aristotle

    He was a greek philosipher that didnt beleive in atoms. He beleived in the four elements earth air water and fire.
  • Democritus
    460

    Democritus

    Democritus was a greek philospher who was a pupil of Leucippus. He believed that the everything was made up of atoms. He researched the atom. He also said that atoms were indestructable and that between atoms, lied empty space.
  • John Dalton

    John Dalton

    John was a meteorologist who studied weather and atoms. He said that elements were made up of tiny particles called atoms. he also said that all the atoms in an element had the same mass but different masses in different elements.
  • JJ Thompson

    JJ Thompson

    He was a british physicist who is said to have discovered the electron. He also discoverd isotopes. He studied atoms.
  • Hantaro Nagaoka

    Hantaro Nagaoka

    He was a japanese physicist. He developed early representation of atom(it was incorrect though). His representation showed a huge nucleus and electrons revolving around the nucleus.
  • Earnest Rutherford

    Earnest Rutherford

    He said that the atoms have their positive charge in the tiny nucleus. He was a chemist/physicist that researched the atom
  • Neils Bohr

    Neils Bohr

    Bohr discovered that electrons travel around the nucleus in descrete orbits.He was a physicist who studied physics and atoms.
  • Erwin Schrodinger

    he was a physicist