how are coinage metal acting as a vital role in the society and industries
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The coinage metals include copper, silver, gold and roentgenium. They belong to group 11 of the IUPAC system in the periodic table.
EXPLANATION:
- They have been used since ancient times as a medium of currency, jewellery making, in form of gifts and exchange. Being precious and its use as coins, it got the name coinage metals.
- These are soft metals and could be mended easily for jewellery or making of coins. To make it durable later on copper, manganese, nickel and zinc were added to it in minute quantities. They are uncreative at room temperature and are malleable.
- They have become a vital part of our society because of its usage in coins making, jewellery making, mementos and gifts of honor.
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