(a(i))[2]
Describe two further chemical-property differences between Group I metals and transition elements.
(a(ii))[5]
Describe what you would see when potassium is placed in cold water. Then write a balanced equation for the reaction, including state symbols.
(b)[2]
Describe two further differences in the physical properties of Group I metals and transition elements.
(c(i))[2]
Describe how the colour of the solution changes.
(c(ii))[1]
State the general term used for a reaction where electrons pass from one species to another.
(c(iii))[2]
Identify the oxidising agent in this reaction, and give a reason for your choice.
(d)[2]
Use the key to fill in the table showing the results of adding aqueous halogens to aqueous halide solutions. One entry has already been done for you.