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