24 Cr Chromium
Transition metal, mass: 51.996 u, 3 stable isotopes (52, 53, 54), abundance rank (earth/space): 21/16Click image to magnify. Pure chromium piece, about 20 grams. Original size in cm: 2 x 2
Chromium is a very hard and shiny silvery metal and has many colorful compounds. A lot of these are quite toxic. Chromium(VI), e.g. as CrO3, is a very dangerous environmental toxin. Elemental chromium is widely used for plating for optical reasons and corrosion protection.
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Page last changed on February 27. 2010
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