game από πανεπιστήμιο Sydney

απο το site
Reactivity Series http://firstyear.chem.usyd.edu.au/games/index.shtml#

Periodic Table Su Doku http://firstyear.chem.usyd.edu.au/games/su_doku.shtml

Atomic Orbital Order http://firstyear.chem.usyd.edu.au/games/index.shtml#