ha ha ha....match it up and work it out, eh gill?

http://en.wikipedia.org/wiki/Bromine

http://en.wikipedia.org/wiki/Photochemistry

nota bene the key ele-mental theme is 'mercury'....let me begin with 'you eat a food product known to have a high level of mercury in it...that, combined with your fillings etc' - makes you an easy target for....scarlett and his gang using 'whatever'...