What are coinage metals and give me example

1.	What are coinage metals and give me example
Answer» Answer: Group 11, by modern IUPAC numbering, is a group of chemical elements in the periodic table, consisting of copper, silver, and gold. Roentgenium is also placed in this group in the periodic table, although no chemical EXPERIMENTS have YET been CARRIED out to confirm that it behaves LIKE the heavier homologue to gold.

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Answer:

Group 11, by modern IUPAC numbering, is a group of chemical elements in the periodic table, consisting of copper, silver, and gold. Roentgenium is also placed in this group in the periodic table, although no chemical EXPERIMENTS have YET been CARRIED out to confirm that it behaves LIKE the heavier homologue to gold.

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What are coinage metals and give me example ​

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What are coinage metals and give me example