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Chromium

Chromium. The symbol of chromium is Cr Scientist Louis Nicolas vauquelin discovered chromium in 1797 The origin of its name is from the Greek word name chorma which means color. The normal state of chromium is a solid. The melting point of chromium is 2130.2 k

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Chromium

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  1. Chromium • The symbol of chromium is Cr • Scientist Louis Nicolas vauquelin discovered chromium in 1797 • The origin of its name is from the Greek word name chorma which means color.

  2. The normal state of chromium is a solid. • The melting point of chromium is 2130.2 k • Boiling point of chromium is 2963k

  3. The classification of chromium is metal • My element belongs to the transitional metal family • Cost of chromium $32 for 100 g.

  4. Number of protons is 24 • Number of electrons is 24 • Numbers of 28

  5. 5 facts • 1. uses of chromium dyes and paints, stainless steel, magnetic tape. • 2. chromium is a solid at below room temperature. • 3.it comes from a ore called chromite

  6. 4. chromium can be produced from chromites by reducing the oxygen with aluminum • 5. Chromium is used to harden steel and resistant to corrosion

  7. Refrences • http:chemistry.about.com/od/chromium/a/10-Chromium-Facts.htm • http://sciencespot.net/Pages/kidzone.html

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