AQA Jan 2011 Paper 1 Q5

Answers available below

section b answer all questions in the spaces provided do not write outside the box the following table gives the melting points of some elements in period element na al si melting point k a state the type of structure shown by a crystal of silicon explain why the melting point of silicon is very high marks extra space b state the type of structure shown by crystals of sulfur and phosphorus explain why the melting point of sulfur is higher than the melting point of phosphorus marks extra space wmp jan chem do not write outside the box c draw a diagram to show how the particles are arranged in aluminium and explain why aluminium is malleable you should show a minimum of six aluminium particles arranged in two dimensions marks extra space d explain why the melting point of aluminium is higher than the melting point of sodium marks extra space turn over wmp jan chem

Show answer