]> application/rdf+xml en Michel Dumontier Dumontier Lab Element Ontology (primitive) 2007-06-10 1.0 An ontology of the chemical elements. Actinium Aluminium Darmstadtium Roentgenium Americium Antimony Argon Arsenic Astatine Barium Berkelium Beryllium Bismuth Bohrium Boron Bromine Cadmium Caesium Calcium Californium Carbon Cerium Chlorine Chromium Cobalt Copper Curium Dubnium Dysprosium Einsteinium A pure substance that cannot be decomposed or transformed into other chemical substances by ordinary chemical processes. An element is made up of atoms with the same atomic number. Erbium Europium Fermium Fluorine Francium Gadolinium Gallium Germanium Gold Hafnium Hassium Helium Holmium Hydrogen Indium Iodine Iridium Iron Krypton Lanthanum Lawrencium Lead Lithium Lutetium Magnesium Manganese Meitnerium Mendelevium Mercury Molybdenum Neodymium Neon Neptunium Nickel Niobium Nitrogen Nobelium Osmium Oxygen Palladium Phosphorus Platinum Plutonium Polonium Potassium Praseodymium Promethium Protactinium Radium Radon Rhenium Rhodium Rubidium Ruthenium Rutherfordium Samarium Scandium Seaborgium Selenium Silicon Silver Sodium Strontium Sulfur Tantalum Technetium Tellurium Terbium Thallium Thorium Thulium Tin Titanium Tungsten Ununbium Ununhexium Ununnilium Ununoctium Ununpentium Ununquadium Ununseptium Ununtrium Unununium Uranium Vanadium Xenon Ytterbium Yttrium Zinc Zirconium