L1: Structure Of An Atom

• atom


  came from the greek word atomus which means invisible
• billiard ball model by john dalton

  atoms are just like a solid sphere
• plum pudding modell by J.J Thomson

  electrons are floating in a positive framework
• nuclear model by ernest rutherford

  electrons are moving outside the nucleus
• planetary model by niels bohr

  electrons are orbiting around the nucleus and can jump into another orbit if they receive energy
• electron cloud model by erwin schrodinger

  electrons are found in orbitals
• isotopes


  atoms with the same number of protons but different numbers of neutrons