How many electron rings does copper have?

How many of the host cities for the olympics where not capital cities? What is minimum age for bmx racing in Olympics? What is most popular counterfeit U.S. gold coin? How much is a troy ounce of silver today? What were the prizes ancient Olympic? When was the first celebration held? What is the tagline of Oakley? Is o a mint mark on a silver dollar? What does SS25 mean on a bracelet? Why do countries go to extreme lengths to win a medal? Which Olympic equestrian 3 day event team won bronze in 2000 in sydney? What did Annie Oakley eat? Is an olympic medal pure gold? Can opals be found in Illinois? Who are in the 12 Olympians family tree? What is a 1924 misspelled platinum or silver dollar? How can 208 countries be participating in the Olympics if there are only 192 - or 195 depending on who you ask - countries in the whole world? What does is mean to be pro something? What is my 1984-P Roosevelt Dime that has a gold tone to it not gold plated and the edge is all silver and I cannot see and cladding? Why is a 1982 penny a golden color and without a mintmark?