Daniel asks…what would the affect of concentrated ammonia be on silver asatide and why?Alos how would you distinguish between seperate solutions of sodium fluoride, sodium chloride, sodium bromide and sodium iodie using seperate solutions of silver nitrate and ammonia? (identifying halides/ions)Nancy answers:Compounds of astatine are few and far between because of its radioactivity. The longest lived half-life is about 8 hours, and all the At on Earth exists because At is decay product of
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