Reactions of halogens

At the end of this activity, students should be able to:
– describe the reactions between halogens and metals
– determine the water solubility of halides
– describe the reactions between silver halides and ammonia solution
– define photosensitive substances
– explain why silver bromide forms a negative image on photographic films
– describe other uses of the halogens and their compounds
– describe the reactions between the halogens and concentrated sulphuric acid.