Periodic Table of Elements: Actinium - Ac

Comprehensive information for the element Actinium including: common chemical compounds; who, when & where; up to 40 properties (chemical & physical); over 3,600 nuclides (isotopes); over 4,400 nuclide decay modes; the element names in 10 different languages; and more. In addition chemistry and technical terms are linked to their definitions in the site's chemistry and environmental dictionary.