Draw the Lewis structures for SO3 and CH2O. Include the number of valence shell electrons in each. Identify their molecular shapes. Determine their molecular polarity. List their intermolecular forces. Which substance has a higher melting point and boiling point?

Match the term to its description match term definition chemical energy a) internal energy caused by vibrations of atoms and molecules electrical energy b) electromagnetic energy that travels in waves radiant energy c) the movement of an electrical charge thermal energy d) potential energy stored in the bonds between atoms