Complete the table so that you can estimate the boiling point of chlorine and the density of iodine.
Describe how the melting points of the halogens change down the group.
Predict the physical state of bromine at $-20^{\circ}\text{C}$.
Which one of the following is most likely to be the colour of fluorine? Tick one box.
Complete the word equation for the reaction shown: chlorine + [BLANK] → iodine + [BLANK].
Explain, using ideas about the reactivity of the halogens, why no reaction occurs.
State one use of chlorine.
Explain why dilute hydrochloric acid should not be used to acidify the solutions.
Complete the table to show the expected observations when aqueous silver nitrate is added to solutions containing chloride ($\text{Cl}^-$) and iodide ($\text{I}^-$) ions.
Complete the table to calculate the relative molecular mass of $\text{C}_6\text{H}_4\text{Cl}_2$. Use your Periodic Table to help you.