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.
2. Plaza Botero, Medellin. Fernando Botero is Colombiaâs major gift to the art world, and one of Medellinâs most famous sons. In homage to his work, Medellin houses âPlaza Botero': a selection of 23 Botero sculptures in his idiosyncratic style.his isnât to say Colombia doesnât have essential places or sights to visit because it does, and in abundance. Thereâs so much to see here that the mind boggles when trying to come up with shorter itineraries, but therein lies the problem. If you can only go to one place, itâs difficult to decide where that place is.
Colombia, a northwest South American nation on both the Pacific Ocean and Caribbean Sea, has a rich and multicultural history. The first Spanish settlement was founded there in 1525, but indigenous people had planted roots in the area many centuries before.ierradentro Archaeological Park. Tierradentro Archaeological Park (colombia.travel) is in a mountainous region in southwest Colombia's Department of Cauca. A popular archaeological site, Tierradentro includes stone statues and underground tombs that reach 29 feet deep.