Chromium

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by Aichi16
Last updated 4 years ago

Discipline:
Science
Subject:
Chemical Elements
Grade:
8

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Chromium

The weapons of the famous Terracotta Army of the Qin Dynasty in China were tipped with chromium deposits, which helped prevent tarnishing.

ChromiumAtomic #: 24Symbol: Cr

The top 5 Strangest elements are Gallium, Technetium, Francium, Antimony, and Copernicium

By:Alora

Chromium is the only element which shows antiferromagnetic ordering in its solid state at and below room temperature. Chromium becomes paramagnetic above 38°C.

Chromium was discovered in 1797 by French chemist Louis-Nicolas Vauquelin

The following is the Pourbaix diagram for chromium in pure water, perchloric acid or sodium hydroxide

Chromium(III) Acetate. Cr(C2H3O2) Chromium(III) Carbonate. Cr2(CO3) Chromium(III) Sulfate. Cr2(SO4)About 87 percent of chromium used in the United States goes into alloys.About 70 percent of all chromium is used in the production of stainless steel.Two other major uses of chromium are electroplating and the manufacture of refractory bricks.


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