 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.

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Presentation transcript:

 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 k  Boiling point of chromium is 2963k

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

 Number of protons is 24  Number of electrons is 24  Numbers of 28

 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

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

 -Chromium-Facts.htm -Chromium-Facts.htm 