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.
by Jeffery Robenalt. Alvar Nunez Cabeza de Vacaâs epic journey as the first European to explore the interior of Texas began when he was appointed treasurer and second in command of an expedition to the New World led by Panfilo Narvaez.