What are the basic properties of Arsenic?
Arsenic (symbol: As) is a metalloid with atomic number 33. Its atomic mass is 74.922 u, and it belongs to period 4 and group 15.
Arsenic (symbol: As) is a metalloid with atomic number 33. Its atomic mass is 74.922 u, and it belongs to period 4 and group 15.
The electron configuration is: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p³
Melting point: 1090.0, K
Boiling point: 887.0 K
Density: 5.727 g/cm³
Biological role: Toxic, no known beneficial role
Natural occurrence: Found in arsenopyrite and other minerals