2C - Bonding and structure review /39 |
1) Arrange the elements of Group 7 in order of increasing boiling points. Explain your answer. [4]
2) Describe how Van der Waals' forces arise. [6]
3) State whether the following molecules are polar or non polar: [7]
a) Define electronegativity [1]
b) H2S | c) CH4 | d) CH3OH | e) I2 | f) CH3NH2 | g) PH3 | |
4) State the type of intermolecular forces that exist between the following molecules: [6]
a) H2S | b) CH4 | c) CH3OH | d) I2 | e) CH3NH2 | f) PH3 | |
5) Draw intermolecular force between 2 molecules of water. Include any dipoles [2]:
6) Describe metallic bonding and use your diagram to explain whether it conducts electricity.
You may wish to use a diagram. [3]
7) Discuss the conductivity of ionic compounds compared with simple covalent structures. Explain your answer. [6]
8) With the aid of diagrams discuss and explain the solubility of sodium chloride and Iodine in water. [5]