1. CHROMIUM By Weldon Emerson 24 51.996

2. Properties and uses of Chromium The melting point is 1857° Celsius The melting point is 1857° Celsius The boiling point is 2672 ° Celsius The boiling point is 2672 ° Celsius The density is 7.19 g/cm 3 The density is 7.19 g/cm 3 Chromium is a silver-gray color Chromium is a silver-gray color Its crystal structure is cubic Its crystal structure is cubic Compounds of Chromium are toxic Compounds of Chromium are toxic Its volume is 7.23 cm 3 Its volume is 7.23 cm 3 Chromium is used to make stainless steel. Chromium is used to make stainless steel. Used in plating to prevent corrosion. Used in plating to prevent corrosion. Is used to color glass green. Is used to color glass green. Used to tan leather. Used to tan leather. Used as a yellow pigment. Used as a yellow pigment. Helps to form bricks and shapes Helps to form bricks and shapes Chromium is used to harden steel. Chromium is used to harden steel. It is sometimes used for paint. It is sometimes used for paint.

3. Info On Chromium Chromium was discovered by Louis Vaquelin in France during 1797. Chromium was discovered by Louis Vaquelin in France during 1797. Its name comes from the Greek word chroma, which means color. Its name comes from the Greek word chroma, which means color. Chromium can be found in the ore chromite. Chromium can be found in the ore chromite. Chromium is also the element that gives emeralds and rubies their color. Chromium is also the element that gives emeralds and rubies their color. Chromium costs $10 for a 100 grams. Chromium costs $10 for a 100 grams.

4. Used for leather tanning USES Used for making stainless steel Used for glass coloring Used for making bricks ORIGIN Discovered in France Discovered by Louis Vaquelin Discovered during 1797 INFO 100g of Chromium Costs $10 Gives emeralds and rubies Their color Its name comes from the Greek word Chroma, meaning color Found in the Ore, chromite PROPERTIES Its volume Is 7.23 cm 3 Its melting Point is 1857 C It is silvery gray.

5. Credits http://www.webelements.com/webelements/schola r/elements/periodic-table/uses.html http://www.webelements.com/webelements/schola r/elements/periodic-table/uses.html http://www.webelements.com/webelements/schola r/elements/periodic-table/uses.html http://www.webelements.com/webelements/schola r/elements/periodic-table/uses.html http://www.chemicalelements.com/elements/cr.ht ml http://www.chemicalelements.com/elements/cr.ht ml http://www.chemicalelements.com/elements/cr.ht ml http://www.chemicalelements.com/elements/cr.ht ml http://chemistry.about.com/library/blper5.htm http://chemistry.about.com/library/blper5.htm http://chemistry.about.com/library/blper5.htm http://www.chemicool.com/ http://www.chemicool.com/ http://www.chemicool.com/