Symbol	Po	Atomic radius: pm	118	Fusion: kJ/Mole	-
Name	Polonium	Ionic radius: pm	(+4)-	Boiling point: °C	962
Atomic number	84	Electron affinity	1.9	Melting point: °C	254
Atomic weight	209.0	1st  ion potential	8.42	Specific Heat Cap: J/(g K)	-
Classification	Other metal	Natural form	Solid	Thermal Cond: W/(cm K)	0.20
Configuration	[Xe]4f145d106s2p4	Crystal structure	Cubic	Electrical Cond	0.0219
Oxidation states	2,4	Density	9.2	Abundance: mg/kg-crust	<0.001
Electronegativity	2.0	Vaporization: kJ/Mole	101.0
Polonium was discovered in 1898 by Pierre and Marie Curie.			Uses -   thermoelectric power, source of neutrons, elimination of static charges in textile mills