GENERAL

• WHAT IS THE SIGN FOR MELTING POINT?

  Tm
• WHAT IS THE SIGN FOR BOILING POINT?

  Tb
• WHAT IS ENTHALPY?

  heat energy change measured under constant pressure
• IS ICE OR WATER MORE DENSE?

  water
• IS ICE OR WATER LESS DENSE?

  ice
• WHY IS ICE LESS DENSE THAN WATER?

  to fit 3D structure