Silver
Silver Silver has been in existence for quite awhile. ... These people used silver for jewelry and as some type of ornamental ware to represent their status and wealth. Silver coins were soon passed around as a monetary unit used for trading and such. Now in the 21st century, coins are not made of pure silver. Instead it is mixed with other elements to form the coins because silver itself would be too soft. ... So that’s why coins are 90% silver and 10% copper. About 16% of the supply of silver is used on coins. ... Silver nitrate is the most important compound of silver in order for photography to work. Silver bromide and silver chloride are the chemicals used to develop pictures.