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24 Cr Chromium

Transition metal, mass: 51.996 u, 3 stable isotopes (52, 53, 54), abundance rank (earth/space): 21/16

Click image to magnify. Pure chromium piece, about 20 grams. The blue line in the second image is an unintentional effect of the sunlight. Original size in cm: 2 x 2
Chromium Chromium with spectrum line
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.

Chromium same piece


Creative Commons License The images are licensed under a Creative Commons Attribution 3.0 Unported License, unless otherwise noted. Attribution by linking to the according element page.


Page last changed on January 04. 2010

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