Group 11 element Group 11 element 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). Roentgenium (Rg) 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. Group 11 is also known as the "coinage metals", due to their former usage. They were most likely the first three elements discovered. Copper, silver, and gold all occur naturally in elemental form. All the elements of the group except
The King of Oil Union, and later Russia. The King of Oil The King of Oil: The Secret Lives of Marc Rich is a non-fiction book by Swiss investigative journalist Daniel Ammann. The book was initially released on October 13, 2009 by St. Martin's Press. The book focuses on the biography of Marc Rich, a prominent international financier and commodity trader, who became a billionaire in the 1970s, arguably inventing the spot market for oil, grain, and metals. His Switzerland-based corporation Marc Rich + Co. AG actively traded with the apartheid regime of South Africa, Iran under Ayatollah Khomeini, Cuba, Nigeria under dictator Sani