abundance of the chemical elements actinium actinoid agriculture al-hadid aldehyde alkali metal alkaline earth metal allotropes of iron allotropy alloy alloy steel aluminium americium ammonia anatolia antimony argon arsenic astatine asteroid atomic number atomic radius atomic weight austenite automobile barium basic oxygen furnace bean berkelium beryllium bioavailability bismuth blacksmith blast furnace blood donation bloomery blueprint bohrium boiling point bolivia boron brinell scale british geological survey bromine building bulk modulus cas registry number cadmium caesium calcium calcium carbonate calcium oxide californium carbon carbon dioxide carbon monoxide carbon steel cast iron catalase caucasus celsius cementation process cementite ceramic cerium charcoal chelation chemical element chemical elements data references chemical equation chickpea china chlorine chromium cobalt coefficient of thermal expansion collective names of groups of like elements color colorectal cancer copper covalent radius crystal structure curium cytochrome d-block dna dna replication darmstadtium decay energy decay product deferoxamine density deoxygenation deoxyribose dietary reference intake dietary supplement digital object identifier dubnium ductile iron duodenum dye dysprosium earth science einsteinium electric arc furnace electron electron configuration electron shell electronegativity enthalpy of fusion enthalpy of vaporization enzyme erbium ester europium extinct radionuclide fahrenheit fermium ferrate ferromagnetism fertilizer finery forge fish flour fluoride fluorine foundry francium gadolinium gallium galvanization gastrointestinal tract germanium glass gold graphite hafnium half-life halogen hassium heart helium hematite heme hemerythrin hemocyanin hemoglobin henry bessemer herbicide history of ferrous metallurgy history of metallurgy in the indian subcontinent holmium human iron metabolism hydrogen hydrogenase hydrolysis indium industrial revolution insecticide iodine ionization energies of the elements iridium iron-sulfur cluster iron age iron deficiency iron deficiency anemia iron fertilization iron in mythology iron meteorite iron ore iron overload disorder iron oxide iron pillar of delhi iron supplements ironworks isotope isotopes of iron isotopes of nickel kamacite kelvin kilogram krypton lanthanoid lanthanum lawrencium lead leaf vegetable leather leghemoglobin lentil lethal dose limestone list of countries by iron production list of elements by name list of elements by symbol lithium liver lutetium magnesium magnetic storage magnetism magnetite mammal manganese mars mass spectrometry meitnerium melting point mendelevium metal metallicity metalloid metalloprotein meteorite methane methane monooxygenase methanol mining mohs scale of mineral hardness molasses molybdenum myoglobin natural abundance neodymium neon neptunium neutron nickel niobium nitro compound nitrogen nitrogenase nobelium noble gas nonmetal nucleosynthesis open hearth furnace ore organic syntheses organism osmium oxidation number oxygen paint palladium passivation pelletizing periodic table periodic table block peroxide phase transition phosphate phosphorus photography phytoplankton picometre pig iron pigment planetary differentiation planetary science plankton plastic platinum plutonium polonium potassium poultry praseodymium prehistory promethium protactinium radium radon red giant red meat redox reduction of nitro compounds rhenium rhodium ribonucleotide reductase ribose road roentgenium rubidium rust ruthenium rutherfordium samarium sand scandium seaborgium selenium shear modulus ship silicate silicon silicon dioxide silver slag smelting sodium solid song yingxing specific heat capacity speed of sound stable isotope stainless steel steel steelmaking stellar nucleosynthesis strontium sulfur supernova synthetic radioisotope taenite tantalum technetium teff tellurium terbium thallium thermal conductivity thorium thulium tin titanium tofu trace element transferrin transition metal tungsten unbinilium universe ununbium ununennium ununhexium ununoctium ununpentium ununquadium ununseptium ununtrium uranium vanadium vapor pressure vickers hardness test water wikimedia commons wiktionary wood wrought iron xenon year ytterbium yttrium zinc zirconium