Beryllium
Beryllium
Symbol: Be
Atomic number: 4
Average atomic mass: 9.012
Properties
It is a hard, nonmagnetic, grayish metal naturally found in mineral rocks, coal, soil, and volcanic dust. It is a very light metal with a melting point of 1287 degrees celcius and a boiling point of 2471 degrees celcius.
Uses
Beryllium compounds are mined and purified for use in nuclear weapons, aircraft, mirrors, and x-ray machines. Berylluim alloys are used in cars, computers, and sports equiptment.
History
Beryllium was discovered in 1798.
Other Useless Information
Berylluim dust enters the atmosphere by burning coal and oil. It is very toxic and when it is within the air, it can cause lasting damage to humans.
References
http://periodic.lanl.gov/elements/4.html
http://www.atsdr.cdc.gov/tfacts4.html#bookmark02
page revision: 6, last edited: 01 Oct 2007 16:24