Describe how the metallic character of the elements changes as you move from left to right across a period.
The elements in Group I are called the alkali metals. Describe two trends in their properties as you go down Group I.
Aqueous chlorine reacts with aqueous sodium bromide to make aqueous bromine and aqueous sodium chloride. Complete the symbol equation for this reaction. $\text{Cl}_2 + [BLANK]\text{NaBr} \rightarrow [BLANK] + 2\text{NaCl}$
Suggest why aqueous iodine does not react with aqueous sodium bromide.
Complete the dot-and-cross diagram in Fig. 3.1 for a molecule of iodine. Show only outer shell electrons.
Name the product made at each electrode.
Label Fig. 3.2 to indicate where the silver is deposited.
State why objects are electroplated.