SEARCH Articles Figures Tables Average number of hydrogen bonds Bond number Bond order Half the number of electrons Number of Non-Bonding Electrons Number of bond length Number of covalent bonds Number of double bonds Number of double-bond equivalencies Number of hydrogen bond donors Number of hydrogen bonds Number of rotatable bonds Spin-lattice relaxation number of bonded proton Tuning Binding Strength by Varying the Number of Interstrand H Bonds Valency and oxidation numbers a historical sketch of bonding theory prior to quantum mechanics