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I thought the noble metals were those in Groups 8-10, formerly Group VIIIA, and that Group 11, the coinage metals, were not included as noble metals. Dpvwia 13:03, 15 February 2007 (UTC)—The preceding unsigned comment was added by Dpvwia ( talk • contribs) 13:02, 15 February 2007 (UTC).
I agree Dpvia, the article is simply wrong. Cu,Ag and Au are traditionally the coinage metals. Cu has never been seen as a noble metal. Ag,Au,Pt,Pd etc have. The fact that people have wasted millions on creating eight and half Rg atoms or so that were gone in a blink of an eye really does not change those facts. Maybe we should call Rg a negative coinage metal for the ridiculous cost per atom?
Jcwf ( talk) 19:38, 20 June 2008 (UTC)
I agree too. So, why not change the problematic sentence? Djavko ( talk) 01:32, 20 August 2008 (UTC)
As I understand it, the color of copper and gold results from the electron configuration, namely the single free electron, absorbing certain light frequencies. Why doesn't this happen with silver? -- megA ( talk) 18:12, 15 May 2012 (UTC)
There is a move discussion in progress on Talk:Group 3 element which affects this page. Please participate on that page and not in this talk page section. Thank you. — RMCD bot 21:15, 15 January 2013 (UTC)