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