Chromium

Steely-gray,lustrous, hard and brittle metal, high polish, resists tarnishing, has a high melting point, and dissolves in weak acids.

-Chromium is the 22nd most abundant element in Earth's crust-Approximately 23.3 million metric tons of marketable chromite ore were produced in 2011

Chromium (Cr)

-Chromium was discovered as an element -After it came into the attention of the western world in the red crystalline mineral crocoite.

-Discovered by Nicholas Louis Vauquelin-Discovered 1780

History

Characteristics

Fun facts about chromium

-Chromium is used to harden steel, to manufacture stainless steel and to produce several alloys -Chromium plating can be used to give a polished mirror finish to steel -Chromium-plated car and lorry parts, such as bumpers, were once very common-About 90% of all leather is tanned using chrome.

Uses

Group # 6Atomic # 24Period # 4Transition Metal1 Valence electron

Work Cited

-http://ptable.com-http://www.rsc.org/periodic-table/element/24/chromium