by Carlee McCallister
Semi-metal, in the metalic part it is bright sliver grey, brittle
As2S3 (orpiment), As4S4 (realgar), As203 (Trioxide)
Atomic Number/ Atomic Mass
Atomic number is 33 and the atomic mass is 74.922
Number of each partical
33 Protons, 42 Neutrons, 33 Electrons
Valence of -3, 0, +3, +5. Yellow arsenic has a specific gravity of 1.97. White grey or metallic arsenic has a specific gravity of 5.73. Grey arsenic has a melting point of 817 degree Celsius. Grey arsenic tarnishes rapidly in air, and is rapidly oxidized.
Arsenic does not react with water, and is stable in air.
4As + 5O2 -> As4010
4: 10 (4 is arsenic, 10 is oxygen)
Type of bonding
Strong covalent bonds
300g/ 64 g = 5% arsenic and 95% oxyden
A R S E N I C
Andy Ruth Saw Ethan Nagin in California