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