Mendeleev created the first periodic table based on atomic weight. He observed that many elements had similar properties, and that they occur periodically. Hence, the table's name. His periodic law states that the chemical and physical properties of the elements vary in a periodic way with their atomic weights.
Location of Guatemala City on a map. Guatemala City is the capital city of Guatemala. It has a population of 994,938, and is located on a latitue of 14.64 and longitude of -90.51. Guatemala City is also the political center of Guatemala, which is considered a Republic, and home to its Executive head of state.
Peten petÃ©n is a department of the nation Of. Guatemala it is geographically the northernmost department Of, guatemala as well as the largest in â size 33,600 33600 km (12,960 12960 sq) mi it accounts for about one third Of'guatemala s. Area the capital Is. Flores the population in 2005 was estimated 450,000. 450000