CHEMISTRY


 * __CHROMIUM__ ****

__Name:__ Chromium __ Symbol: __** ** Cr __ Atomic Number: __ 24 __ Atomic Mass: __ 51 __ Melting Point: __ 1857 °C ** Boiling Point: __ 2672 °C ** **__
 * __

Number of Protons/Electrons: __ 24 __ Number of Neutrons: __** ** 28 __ Color: __ gray **

 ==A hard, __silvery metal__. Is added to steel to produce stainless steel, so called as the chromium protects the steel from corrosion. Is an essential element for humans because it helps us to use glucose.is also used for Metallurgy like parts of motorcycle and cars. Was found in burial (china) in the __3° century__ by the __Qin dynasty__, The used it for the army of the tomb of SHI WAN TI, most known as the army of terracotta. ==
 * __Electronic Configuration:__ 1s2,2s2,2p6,3s2,3p6,4s2,3d5 **