americium-243 Directory References Discover 7 of the World’s Deadliest Shipwrecks Causes of the Great Depression Why Is Ireland Two Countries? The Seven Sacraments of the Roman Catholic church Where Is “Old Zealand”? What is Holy Week? Cruel and Unusual Punishments: 15 Types of Torture Contents americium-243 chemical isotope Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:properties In americium…are radioactive; the stablest isotope, americium-243, has proved more convenient for chemical investigations because of its longer half-life (7,370 years, compared with 433 years for americium-241).Read More