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.
Amazon Jungle. The Amazon Jungle in southern Colombia is home to the largest tropical rain forest in the world. The region includes Isla de los Micos, or Monkey Island, home to a forest full of wildlife including apes.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.
Bogota is the capital of Colombia. This train is referred to as Metro de Medellin. Most citizens are descended from Indians, Africans, and Europeans. Colombia is nicknamed the gateway to South America because it sits in the northwestern part of the continent where South America connects with Central and North America. It is the fifth largest country in Latin America and home to the world's second largest population of Spanish-speaking people.