Relacionar Columnas Atomic Structure MatchingVersión en línea 8.5AB por Courtney Cox 1 cloud 2 nucleus 3 valence electrons 4 charge of electrons 5 atomic mass = 6 Reactive Atom 7 Stable Atom 8 charge proton 9 charge of neutron electrons farthest from the nucleus, responsible for reactivity/bonding area surround the nucleus no charge, 0 positive + negative - happy atom! Has a full valence shell (8ve-) protons + neutrons center of an atom, contains protons and neutrons sad atom, doesn't have a full valence shell (less then 8) so it wants to bond with others