john dalton

• what was his model called?

  billiard ball model
• what is wrong with his model?


  it doesn't include charge
• what were daltons laws?

  • all matter consists of atoms which cannot be broken up
  • each element consists of atoms of the same type, mass and behaviour.
  • Different elements have different atoms
  • when atoms combine to form compounds they do so in fixed ratios
  • chemical reactions are re-arragnement of atoms
  • atoms cannot be created or destroyed