Symbol	Mn	Atomic radius: pm	137	Fusion: kJ/Mole	12.91
Name	Manganese	Ionic radius: pm	(+2)67	Boiling point: °C	2061
Atomic number	25	Electron affinity	Unstable anion	Melting point: °C	1246
Atomic weight	54.94	1st  ion potential	7.43	Specific Heat Cap: J/(g K)	0.48
Classification	Trans metal	Natural form	Solid	Thermal Cond: W/(cm K)	0.08
Configuration	[Ar]3d54s2	Crystal structure	BCC	Electrical Cond	0.00695
Oxidation states	7,6,4,2,3	Density	7.3	Abundance: mg/kg-crust	950
Electronegativity	1.55	Vaporization: kJ/Mole	219.7
Manganese was recognized as an element in 1774 by the Swedish chemist Carl Wilhelm Scheele.  It was isolated the same year by Scheele's associate, Johan Gottlieb Gahn.			Uses - production of steel, batteries, ceramics, alloys