Element Name: Arsenic^
Atomic Number: 33^
Atomic Symbol: As^
Atomic Mass: 74.92160^
When Discovered: 1250 AD*
Discovered By: Albertus Magnus*
Where It Can Be Found: Most common, in a mineral called Mispickel. It
can also be found in the Earth's Crust.
Physical Description:*
  • Color: Steel Gray
  • Metalliod
  • Very Britle
  • Crystalline(resembling a crystal)
Uses: A main use for Arsenic is Wood Preservation. It is formed into Chromated
Copper Arsenated, CCA, which prevents wood from rotting. Rat Poison and Rat Poison are
also uses for Arsenic.

Diagram of an Arsenic Atom with Electrons in the right energy levels:
ArsenicAtom.png
Isotopes and their Uses:
76 As, this isotope is used in the treatment of certain malignant skin diseases.







Sources

1:*
http://www.science.edu.sg/ssc/detailed.jsp?artid=2217&type=6&root=5&parent=5&cat=76
2:
http://www.carondelet.pvt.k12.ca.us/Family/Science/Nitrogen/arsenic.html
3:^
Seventh Edition: Chemistry: The Central Sciene ((book))