The elements of group 11 are called:
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The elements of group 11 (Cu, Ag, and Au) are called coinage metals
The Group 11 is composed of copper (Cu), silver (Ag), and gold (Au). Silver and Au belong to the so-called noble metals. All these metals occur in variable oxidation stages, mainly +1, and +2, (Table II-11.1).
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Group 11, by modern IUPAC numbering, is a group of chemical elements in the periodic table, consisting of copper (Cu), silver (Ag), and gold (Au). ... Group 11 is also known as the coinage metals, due to their former usage.
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