American Elements
   
Roentgenium

Roentgenium information, including Technical Data, Safety Data and its high purity properties, research, applications and other useful facts are discussed below. Scientific facts such as the atomic structure, ionization energy, abundance on Earth, conductivity and thermal properties are included.

Roentgenium's appearance is unknown. Little is known about the element and it has no known uses. Roentgenium is a synthetic element that is not present in the environment.

  Hydrogen                                 Helium
  Lithium Beryllium                     Boron Carbon Nitrogen Oxygen Fluorine Roentgenium
  Sodium Magnesium                     Aluminum Silicon Phosphorus Sulfur Chlorine Argon
  Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Hydrogen Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
  Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
  Cesium Barium Cerium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury Thallium Lead Bismuth Polonium Astatine Radon
  Francium Radium Actinium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Ununtrium Ununquadium Ununpentium Ununhexium Ununseptium Ununoctium
                                     
      Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium    
      Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawerencium    


(click on an element)

Roentgenium Bohr ModelRoentgenium is a is a D-Block, Group 11, Period 7 element. The number of electrons in each of Roentgenium's shells is 2, 8, 18, 32, 32, 18, 1 and its electronic configuration is [Rn] 5f14 6d10 7s1. In its elemental form Roentgenium's CAS number is 54386-24-2.

Roentgenium was discovered on December 8, 1994 at the Gesellschaft für Schwerionenforschung (GSI) in Darmstadt, Germany by Sigurd Hofmann, Peter Armbruster and Gottfried Münzenberg along with a team of scientists.
 

French Roentgenium German Roentgenium ItalianRoentgenio PortugueseRoentgenium SpanishRoentgenio Swedish Roentgenium


Abundance. The following table shows the abundance of Roentgenium and each of its naturally occurring isotopes on Earth along with the atomic mass for each isotope.

Isotope Atomic Mass % Abundance on Earth
Rg-272 272.1535 -
Rg-279 279 -
Rg-280 280 -

The following table shows the abundance of Roentgenium present in the human body and in the universe scaled to parts per billion (ppb) by weight and by atom:

  Typical Human Body Universe
by Weight - -
by Atom - -


Ionization Energy. The ionization energy for Roentgenium (the least required energy to release a single electron from the atom in it's ground state in the gas phase) is stated in the following table:
1st Ionization Energy kJ mol-1
2nd Ionization Energy kJ mol-1


Conductivity. No data.

Thermal Properties. The melting point and boiling point for Roentgenium are stated below. The following chart sets forth the heat of fusion, heat of vaporization and heat of atomization.
Heat of Fusion No data
Heat of Vaporization No data
Heat of Atomization No data


Recent Research & Development for Roentgenium
  • Hancock RD, Bartolotti LJ, Kaltsoyannis N. Density functional theory-based prediction of some aqueous-phase chemistry of superheavy element 111. Roentgenium(I) is the "softest" metal ion. Inorg Chem. 2006 Dec 25;45(26):10780-5. PubMed PMID: 17173436.

    Research updated 8/9/2011
    		•
     
    Formula Atomic Number Molecular Weight Electronegativity (Pauling) Density Melting Point Boiling Point Vanderwaals radius Ionic radius Energy of first ionization
    Rg 111 [280]              

    PRODUCT CATALOG U.S. Operations News Submicron & Nanopowder Tolling Ultra High Purity Sputtering Target Crystal Growth Rod, Plate, Powder, etc. Foil Home



    German   Korean   French   Japanese   Spanish   Chinese (Simplified)   Portuguese   Russian   Chinese (Taiwan)   Italian   Turkish   Polish   Dutch   Czech   Swedish   Hungarian   Danish   Hebrew

    Production Catalog Available in 36 Countries & Languages

      Print this Page Twitter
    Periodic table of the elements science and academic information, elements and advanced materials data, scientific presentations and all pages, designs, concepts, logos, and color schemes herein are the copyrighted proprietary rights and intellectual property of American Elements. American Elements is a U.S. Registered Trademark. © 1998-2012. American Elements. All rights reserved.
    		 Learn Six Sigma


    American Elements is a copyrighted U.S. Trademark. All rights reserved.