Chromium

What is Chromium?

• Chromium is a solid and a metal
• It is a transition metal in Group 6B on the Periodic Table
• It is in period 4 on the Periodic Table
• It has an atomic number of 24
• It has an atomic mass of 51.9961

History of Chromium

• Chromium was discovered in 1797 by Louis-Nicolas Vauquelin
• It came from the Greek word 'chroma' which means 'color'
• It was discovered in France

ABOUT THE DISCOVERER

• Louis-Nicolas Vauquelin was born on May 16, 1763
• He was the son of a peasant.
• He was a French chemist
• He died on November 14, 1829

Different Uses

• Chromium is used for improving blood sugar control for people with diabetes
• It is used for depression

Fun Facts

• Chromium is the 21st most abundant element in the Earth's crust.
• Most chromium is obtained by mining the mineral chromite.
• Chromium was used in ancient times, specifically by the ancient Chinese.

More FUN FACTS

• Chromium forms many colorful compounds that have industrial uses
• Its density is 7.15 grams per cubic centimeter

Bibliography

• http://www.webelements.com/chromium/history.html
• http://www.livescience.com/29194-chromium.html
• http://www.rsc.org/periodic-table/element/24/chromium
• http://www.findfast.org/science-element-chromium.htm
• www.webmd.com

More Bibliography

• http://commons.wikimedia.org/wiki/File:Louis_Nicolas_Vauquelin_2.jpg
• http://eofdreams.com/emerald.html
• http://www.kefidtrituradora.co
• http://chem.wisc.edu/deptfiles/genchem/lab/ptl/bios/vauqueln.htm
• http://www.softschools.com/facts/periodic_table/chromium_facts/202/

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