SEARCH Articles Figures Tables Diatomic Molecules of the First and Second Periods Diatomic molecules of the second-period elements Electron Affinities and Periodic Trends of Homonuclear Diatomic Molecules Homonuclear Diatomic Molecules of the Period 2 Elements Homonuclear Diatomic Molecules of the Second Short Period Elements Homonuclear diatomic molecule first-period atoms Homonuclear diatomic molecule second-period atoms Period 2 diatomic molecules Period 2 molecules chlorides Period 2 molecules fluorides Period 2 molecules hydrides Period 3-6 molecules hypervalent Periodic orbits diatomic molecules Periodic orbits molecules Periodic orbits triatomic molecules Periodicity within molecule Resonant periodic orbits molecules Second-period elements, homonuclear diatomic molecules Semiempirical LCAO Methods for Molecules and Periodic Systems