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.
110,000 km (navigable waterways) (2011). Colombia. 24,725 km (18,300 km navigable; the most important waterway, the River Magdalena, of which 1,488 km is navigable, is dredged regularly to ensure safe passage of cargo vessels and container barges) (2012). Congo, Democratic Republic of the.