lanthanide, photochemistry, organometallic, paramagnetic, californium, zeolites, hydrides, chalcogenide, quinone, formate, chemisorption, carbene, porphyrin, carbonyls, borane, solvation, corona discharge, alkali metal, photolysis, dihydrogen, thiourea, uranyl, hydrometallurgy, formamide, rheological, adsorbents, ribonucleoprotein, astatine, alkynes, nitration, hydrophobicity, sorption, stoichiometry, xenobiotic, photoconductive, spectroscopic analysis, valence electrons, ceria, manganite, dichromate, macromolecule, zns, calcium fluoride, neptunium, disulfide, humic, tetroxide, fission reactor, allotrope, stilbene, colloid, gelation, biomolecule, isoprenoid, antineutrino, boron nitride, alkenes, osmium, carbides, polymerisation, trimer, stereochemistry, oxidizing agent, ferrocene, tungstate, hydroxides, nitride, plastid, selenide, catalysis, samarium, halide, hydrogenase, adsorbate, crystallites, isomers, bioconversion, phenanthrene, cyclization, epoxide, hydroxyl radical, endonuclease, cytochromes, crystallographic, glycolipid, fissionable, nuclides, magnetisation, ferromagnetism, ethene, polyphosphate, biogeochemical, pyrophosphate, electrokinetic, transferase, alkanes, bilayers, froth flotation, oligomer, flocculant, nuclide, macrocyclic, acolytes, actinides, apocalypses, asteroids, ayllu, basilicas, betrayals, binders, blues, burglaries, cases, characters, colds, complaints, constellations, cracks, culprits, cycles, delinquencies, dental, electronegative, electropositive, bivalent, diatomic, divalent, hydrogenic, isoelectronic, monatomic, oxidizable, pentavalent, quadrivalent, radioactive, sputtered, terrigenous, tetravalent, trivalent, uncombined, univalent, unreactive

ac, actinium, atomic number 89