fandom:antimony>Anyamin03072024年10月14日 (一) 11:31的版本 (创建页面,内容为“ 缩略图|Yr原子模型缩略图|Yr金属单质 Yuanrium(yuan),Element 119, the IA group alkali metals, is radioactive and has the chemical symbol Yr. It was discovered and named by Zhao Mingyi. yuan is very unstable, and it have strong radioactivity, and it is rare in nature. ==primary== Chinese name: 𨭦,圆 English name:yuarnium,yuan Element symbol: Yr Atomic number: 119 Group: Alkali metals De…”)