Vanadium is a flammable, toxic transition metal shown here as wire and powder. The element has several oxidation states which Daren demonstrates by shaking a solution of ammonium metavanadate with zinc amalgam. The solution changes color ...See moreVanadium is a flammable, toxic transition metal shown here as wire and powder. The element has several oxidation states which Daren demonstrates by shaking a solution of ammonium metavanadate with zinc amalgam. The solution changes color as the vanadium is reduced from oxidation state V to IV to III and finally II. Written by
David Foss
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