History of the atomic model

By Jeremy Huang
  • 400 BCE

    Democritus' proposal

    Democritus' proposal
    Discovered that all matter is made of atoms.
    Atoms are invisible and indestructible.
    Proposed that compounds are made of two or more different kinds of atoms

  • Thompson's Plum Pudding Model

    Thompson's Plum Pudding Model
    Thompson discorvers electrons belived to be within a sphere of postive charge.

  • Rutherford's Nuclear Model

    Rutherford's Nuclear Model
    Rutherford demonstratesthe existence of a possitively charged nucleus that contains almost the same mass as an atom

  • Bohr's Planetary Model

    Bohr's Planetary Model
    Bohr's model proposes fixed circular orbits around the nucleus of electrons updating Rutherford's Model

  • Schrödinger's Quantum Model

    Schrödinger's Quantum Model
    Used as our current model of the atom, electrons occupy regions of space around their nucleaus depending on their energies.