Symbol	Ta	Atomic radius: pm	143	Fusion: kJ/Mole	36.57
Name	Tantalum	Ionic radius: pm	(+5)64	Boiling point: °C	5458
Atomic number	73	Electron affinity	0.32	Melting point: °C	3017
Atomic weight	180.9	1st  ion potential	7.89	Specific Heat Cap: J/(g K)	0.14
Classification	Trans metal	Natural form	Solid	Thermal Cond: W/(cm K)	0.58
Configuration	[Xe]4f145d36s2	Crystal structure	BCC	Electrical Cond	0.0761
Oxidation states	5	Density	16.4	Abundance: mg/kg-crust	2
Electronegativity	1.5	Vaporization: kJ/Mole	753.1
Tantalum was discovered in 1802 by Anders Gustaf Ekeberg.			Uses - surgical implants, heat exchange, capacitors, camera lenses, first metal wire used in light bulbs