Basic Atomic StuctureOnline version Chapter 11 Lesson 2 by Carla Montenegro 1 Nucleus 2 Proton 3 Neutron 4 Electron 5 Valence Electron 6 Electron Cloud Explicación 1 The region at the center of an atom that contains most of its mass and has a positive charge. 2 A positively charged particle located inside the nucleus of an atom. 3 An uncharged (neutral) particle located inside the nucleus of an atom. 4 A negatively charged particle that occupies the space in an atom outside of the nucleus 5 The electrons located in the outermost energy level of an atom. 6 The region surrounding the nucleus where one or more electrons are most likely to be found. It consists mostly of empty space
