KnowraAstatineLinked fromLinked fromThe 7 pages that link to Astatine, each with the reason it gives.All 7Broader topic 3Related 1Compared with 3HalogenBroader topic: Its scarcity and short-lived isotopes make its chemistry difficult to study directly.Element discoveryBroader topic: Its discovery showed that an element missing from nature could be made in a particle accelerator.Emilio SegrèBroader topic: Segrè, Dale R. Corson, and Kenneth Ross MacKenzie produced and identified it in 1940.