For a two element ionic compound, the naming is simple. The first part of the name is the name of the metal element. The second part is the name of the nonmetal element, with the suffix â-ide.â. 1  Example: Al 2 O 3.
Exploration & Excavation in Chaco Canyon. It's believed that the first Europeans to see Chaco Canyon came in the 17th Century, when Spanish soldiers engaged in military actions against the Navajos first entered the Chaco area.
Hiram Bingham re-discovered the 'lost' city of the Incas on July 24th, 1911. Machu Picchu today. The spectacular âlost city of the Incasâ high among the Andes mountains in Peru attracts so many visitors today and their presence causes so much damage that a limit has had to be put on their numbers.