Talk:Pergium
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hm.. they didn't know this circa 1970s, but element 111 is roentgenium, which doesn't have a 292 isotope. Maybe "pergium" is an isotope name? -- Captain MKB 15:25, 7 August 2007 (UTC)
- Certainly something worth noting at the bottom. --8of5 17:10, 7 August 2007 (UTC)