Astatine Element
Dec. 28, 2024
Facts About Astatine | Live Science Pictures, stories, and facts about the element Astatine in the Periodic Table Cybermentor - Fast facts ft. Astatine • Astatine (At), radioactive chemical element and the heaviest member of the halogen elements, or Group 17 of the periodic table. Astatine, which has no stable Astatine Element