Symbol	Cr	Atomic radius: pm	125	Fusion: kJ/Mole	21.0
Name	Chromium	Ionic radius: pm	(+3)62	Boiling point: °C	2671
Atomic number	24	Electron affinity	0.67	Melting point: °C	1907
Atomic weight	52.00	1st  ion potential	6.77	Specific Heat Cap: J/(g K)	0.45
Classification	Trans metal	Natural form	Solid	Thermal Cond: W/(cm K)	0.94
Configuration	[Ar]3d54s1	Crystal structure	BCC	Electrical Cond	0.0774
Oxidation states	6,3,2	Density	7.15	Abundance: mg/kg-crust	102
Electronegativity	1.66	Vaporization: kJ/Mole	348.8
Chromium was discovered in 1797 by the French chemist, Louis-Nicolas Vauquelin, and isolated as the metal a year later.			Uses - paint, steel, plating, tanning leather