WHAT ARE RADIOISOTOPES ? Many of the chemical elements have a number of isotopes. The isotopes of an element have the same number of protons in their atoms (atomic number) but different masses due to different numbers of neutrons. In an atom in the neutral state, the number of external electrons also equals the atomic number.
Bogota. Colombia's capital of Bogota is in the central part of the country. The city is situated in the Andes mountain chain and is surrounded by five rivers, including the Bogota River.Bogota is considered the educational and cultural center of Colombia.olombia's capital of Bogota is in the central part of the country. The city is situated in the Andes mountain chain and is surrounded by five rivers, including the Bogota River.
Today, July 20 is celebrated in Colombia as Independence Day. An Unhappy Population: The people of New Granada (now Colombia) were unhappy with Spanish rule. Napoleon had invaded Spain in 1808 and imprisoned King Ferdinand VII.Napoleon then put his brother Joseph Bonaparte on the Spanish throne, infuriating most of Spanish America.y July of 1810, Bogota was a holdout for Spanish rule in the region. To the south, leading citizens of Quito had attempted to wrest control of their government from Spain in August of 1809: this revolt had been put down and the leaders thrown in a dungeon.