actinium actinoid alkali metal alkaline earth metal aluminium americium antimony arginase argon arsenic astatine atomic mass unit atomic number atomic radius atomic weight australia barium berkelium beryllium beta decay bismuth bohrium boiling point boron braunite brazil bromine bulk modulus burkina faso cas registry number cadmium caesium calcium californium carbon carl wilhelm scheele celsius cerium chemical element chemical elements data references chlorine chloroplast chromium cobalt coefficient of thermal expansion collective names of groups of like elements color copper covalent radius crystal structure curium d-block darmstadtium decay energy decay product democratic republic of the congo density digital object identifier diphtheria toxin dry cell dubnium dysprosium einsteinium electron electron capture electron configuration electron shell electronegativity engine knocking enthalpy of fusion enthalpy of vaporization erbium europium fahrenheit fermium fluorine francium gabon gadolinium gallium germanium gold hiv hafnium half-life halogen hassium helium holmium hydrochloric acid hydrogen indium iodine ionization energies of the elements iridium iron isotope isotopes of manganese johan gottlieb gahn kelvin krypton lactobacillus lactobacillus plantarum lanthanoid lanthanum lawrencium lead lentivirus list of elements by name list of elements by symbol lithium lithium battery lodestone lutetium magnesia magnesium magnet magnetism magnetite manganese dioxide manganese nodule manganism meitnerium melting point mendelevium metal metalloid meteorite methylcyclopentadienyl manganese tricarbonyl mohs scale of mineral hardness molybdenum natural abundance neodymium neon neptunium neutron nickel niobium nitrogen nobelium noble gas nonmetal nucleosynthesis occupational safety and health administration octane rating organic chemistry osmium oxidation number oxidation state oxygen oxygen evolution oxygen evolving complex paint palladium periodic table periodic table block permanganate phosphorus photosynthesis picometre pigment platinum plutonium polonium potassium potassium permanganate pourbaix diagram praseodymium promethium protactinium pseudofossil psilomelane pyrolusite radiometric dating radionuclide radium radon reagent redox retrovirus reverse transcriptase rhenium rhodium rhodochrosite roentgenium rubidium ruthenium rutherfordium samarium scandium seaborgium selenium silicon silver sodium sodium permanganate solid solingen sparta specific heat capacity speed of sound stable isotope stainless steel star steelmaking strontium sulfur sulfuric acid supernova superoxide superoxide dismutase synthetic radioisotope tantalum technetium tellurium terbium thallium thermal conductivity thorium thulium tin titanium transition metal tungsten umber unbinilium united states ununbium ununennium ununhexium ununoctium ununpentium ununquadium ununseptium ununtrium uranium vanadium vapor pressure wikimedia commons wiktionary xenon ytterbium yttrium zinc zirconium