2C - Bonding and structure |
1) This question is about copper:
a) Describe metallic bonding. You may wish to use a diagram. [2]
b) How does a metal conduct electricity? [1]
2) This question is about the salt sodium chloride, NaCl:
a) Discuss the conductivity of NaCl compounds. Explain your answer. [5]
b) With the aid of a diagram explain the solubility of sodium chloride in water. [4]
3) Complete the following table for the following substances: [20]
NaCl | SiO2 | Br2 | NH3 | ||
Structure | |||||
Melting point | |||||
Electrical conductivity | |||||
Solubility in water | |||||
Solubility in non polar solvent |