Similar term(s): Arsenic.
The element with the symbol "As" and the atomic number 33. Its molecular weight is 74.92160 g. It can be classified as semi metallic and its colour is observed to be metallic grey.
Source: GreenFacts
The term arsenic is often used to refer to all arsenic compounds both inorganic (mainly arsenite and arsenate) and organic.
For more information on elemental arsenic see : WebElements
Properties for
Arsenic
Element - Inorganic arsenic compound(s) - Organic arsenic compounds
Français: Arsenic