Bloomingdale High School, Bloomingdale, Michigan, U.S.A.
Ryan Schoenborn, Bloomingdale High School, Bloomingdale, Michigan, U.S.A.
Atomic properties*
Name:
Boron
Symbol:
B
Atomic
number:
5
Atomic
mass:
10.811
amu
Melting
point:
2075ºC
Boiling
point:
4000ºC
Density:
2.34
g/cm3
Electronegativity:
2.04
#
of
Isotopes:
2
State:
Solid
Colour:
Black±
Classification:
Semi-metallic±
* Haynes, W. M. (2011). Melting, Boiling, Triple and Critical Point Temperatures of the Elements. Retrieved April 7, 2011, from CRC Handbook of Chemistry and Physics, 91st edition: http://www.hbcponline.com/
± Winter, M. (2010). Home of the Periodic Table. Retrieved April 8, 2011, from Web Elements: http://www.webelements.com/