Complete the table below by stating the colour of each element in its usual state at room temperature.
Briefly account for why the halogens’ melting points rise from chlorine to iodine.
Complete the electronic configurations of chlorine and bromine.
Draw a dot-and-cross diagram for the $\text{BrCl}$ molecule. Show only the outermost electrons.
Using your answers to (a) and (b), predict the physical state of $\text{BrCl}$ at room temperature. Explain your answer.
Suggest the colour of $\text{BrCl}$.
Describe what would be observed when $\text{Cl}_2$ is bubbled through aqueous KI for several minutes.
Construct an equation for the reaction that occurs.
Suggest an equation for the reaction that occurs between $\text{BrCl}$ and aqueous KI.
How do $\text{Cl}_2$ and $\text{BrCl}$ behave in these reactions?