Diamond                                       Metallic bonding                              Metallic bonding
                                                Number of covalent bonds from each            Describe metallic bonding
   C2 Bonding, structure  carbon
   and the properties of  Melting point is low / high / very high
                 matter                         Why doesn’t it conduct                        What bonds together?
                                                electricity?
            AQA Trilogy
  There are several ways to represent           Graphite                                      Why are most metals:                          Draw a diagram to show why alloys are 
  covalent bonds:                               Number of covalent bonds from each            solid at room temperature?                    harder than pure metals
                                                carbon
                                                Melting point is low / high / very high
                                                                                              Good conductors of electricity and heat
                                                Why does it conduct electricity?
  The repeating unit of poly(ethene) is         Write about the uses of                       Draw a diagram to show why most 
  shown below. What is the molecular            Fullerenes like Bucky balls                   metals are malleable
  formula of poly(ethene)                       and nanotubes
                                                                                                                                            Predict the state of:
                                                                                                                                                                           o
                                                                                                                                            Bromine at room temperature (25 C)
                                                                                                                                            Nitrogen at room temperature (25oC)
                                                                                                                                                          o
                                                                                                                                            Oxygen at – 220 C
                                                                                                                                                                  o
  The reason that most polymers are solid       Name the process:                             Draw particle diagrams to show a solid,       Ethanol melts at -114 C and boils at 
                                                                                                                                              o
  at room temperature is:                       Solid  liquid                                liquid and a gas                              78 C. Predict the state at:
                                                Liquid  gas                                                                                    o
                                                Gas  liquid                                                                                -150 C
                                                                                                    solid                 liquid                 gas
                                                Liquid  solid                                                                               o
                                                                                                                                            0 C
                                                                                                                                              o
                                                                                                                                            25 C
                                                                                                                                               o
                                                                                                                                            100 C