- Question 18 marks
Using electronic configurations to identify noble gases, group numbers, conductors and ions.
- Question 214 marks
Isotopes of copper and cobalt, relative atomic mass, transition metal properties, and hydrated cobalt(II) chloride as a test for water.
- Question 317 marks
The blast furnace: reduction of iron(III) oxide, removing silica with limestone, steel, and preventing rusting by galvanising.
- Question 414 marks
Making insoluble lead(II) chloride by precipitation, and electrolysis of molten lead(II) chloride.
- Question 516 marks
Energy changes: a reaction pathway diagram, bond energies, and changing a reversible reaction's equilibrium.
- Question 611 marks
Homologous series and general formulae, naming carboxylic acids, and amino acids in proteins.