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.
Situated in Central America, Guatemala has an area of 108,890 sq km (42,043 sq mi), with a maximum length of 457 km (284 mi) nnw â sse and a maximum width of 428 km (266 mi) ene â wsw. Comparatively, the area occupied by Guatemala is slightly smaller than the state of Tennessee.