词族 · astatine
词形变化
中文词源
astatine 砹
前缀a-, 不，非。词根st, 站立，稳定。指该化学元素不稳定。
英语词源
- astatine (n.)
- radioactive element, named 1947, from Greek astatos "unstable" (see astatic) + chemical suffix -ine (2). So called for its short half-life and lack of stable isotopes. "The element appears not to have a stable form and probably does not exist in nature" [Flood, "Origin of Chemical Names"].