. . "111437111"^^ . . "0"^^ . "107784968"@en-us . . . "hydrogen bond"^^ . . "a chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond"@en-us . "hydrogen bond"@en-us . "11437111-n"^^ . . "0"^^ . . . "110698470"@en-us . .