Symbol	B	Atomic radius: pm	80	Fusion: kJ/Mole	50.2
Name	Boron	Ionic radius: pm	-	Boiling point: °C	4000
Atomic number	5	Electron affinity	0.28	Melting point: °C	2075
Atomic weight	10.81	1st  ion potential	8.30	Specific Heat Cap: J/(g K)	1.03
Classification	Metalloid	Natural form	Solid	Thermal Cond: W/(cm K)	0.27
Configuration	1s22s2p1	Crystal structure	Rhom	Electrical Cond	1x10-12
Oxidation states	3	Density	2.34	Abundance: mg/kg-crust	10
Electronegativity	2.04	Vaporization: kJ/Mole	480.0
Boron was discovered in 1808 by Sir Humphrey Davy and J.L. Gay-Lussac.			Uses - borax, glass making, heat resistant alloys, nuclear control rod, pest control