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.
The creek is named for Francisco Pacheco and Juan P. Pacheco who were granted the Rancho Ausaymas y San Felipe land grants in 1833 and 1836, and 1843 respectively. Francisco Pacheco came to California in 1819.