Symbol	Te	Atomic radius: pm	143	Fusion: kJ/Mole	17.49
Name	Tellurium	Ionic radius: pm	(-2)221	Boiling point: °C	988
Atomic number	52	Electron affinity	1.97	Melting point: °C	450
Atomic weight	127.6	1st  ion potential	9.01	Specific Heat Cap: J/(g K)	0.20
Classification	Metalloid	Natural form	Solid	Thermal Cond: W/(cm K)	0.03
Configuration	Kr]4d105s2p4	Crystal structure	Hex	Electrical Cond	2x10-6
Oxidation states	+/-2,4,6	Density	6.24	Abundance: mg/kg-crust	0.001
Electronegativity	2.10	Vaporization: kJ/Mole	114.1
Tellurium was discovered in 1728 by Franz Muller von Reichenstein.			Uses - semiconductors, steel, coloring of glass and ceramics, thermoelectric devices