May 2, 2026
Author(s)
Madeleine Bodine, Lizbeth Laureano-Perez, Ronald Colle, Justin Wilde, Ryan Fitzgerald, Leticia Pibida, Jerome LaRosa, Adam Pearce, Richard Essex, Denis Bergeron
Americium's longest-lived isotope, americium-243, has a half-life of 7367(23) years. It decays into neptunium-239 through alpha decay. Americium has a few practical uses: as a monitor for radioactive contamination and as a tracer for radiochemical