Astatine Dot Diagram
Oct. 4, 2024
Файл:Electron shell 085 Astatine.svg — Википедия Astatine - Wikimedia Commons Astatine atom hi-res stock photography and images - Alamy File:Electron shell 085 astatine.png - Wikipedia Astatine Facts, Symbol, Discovery, Properties, Uses Astatine (At) | Astatine Dot Diagram