錀,化學元素也,符號為Rg,原子序一百一十一。屬超錒元素,或為過渡金屬,極易衰變,富放射能。天然之中,無有其存。今所得錀,悉為人造。同位素中,最穩者錀二八二,亦僅兩分鐘餘而半化他物,是以難究其性。
一九九四年,德國達斯泰特亥姆霍茲重離子研究中心始製之,取名以誌其國物理學家倫琴(Wilhelm Röntgen)。
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