bn:01642157n
Noun Concept
Categories: Currency production, Groups in the periodic table
EN
group 11 element  group 11  11 group of the periodic table  coin­age metals  copper group
EN
Group 11, by modern IUPAC numbering, is a group of chemical elements in the periodic table, consisting of copper, silver, and gold, and roentgenium, although no chemical experiments have yet been carried out to confirm that roentgenium behaves like the heavier homologue to gold. Wikipedia
English:
periodic table
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EN
Group 11, by modern IUPAC numbering, is a group of chemical elements in the periodic table, consisting of copper, silver, and gold, and roentgenium, although no chemical experiments have yet been carried out to confirm that roentgenium behaves like the heavier homologue to gold. Wikipedia