Periodic Table of Elements

Element Roentgenium - Rg

Comprehensive data on the chemical element Roentgenium is provided on this page; including scores of properties, element names in many languages, most known nuclides of Roentgenium. Common chemical compounds are also provided for many elements. In addition technical terms are linked to their definitions and the menu contains links to related articles that are a great aid in one's studies.

Roentgenium Menu

Overview of Roentgenium

Roentgenium's Name in Other Languages

  • Latin: Unununium

Atomic Structure of Roentgenium

Chemical Properties of Roentgenium

  • No Chemical properties information is currently available.

Physical Properties of Roentgenium

Regulatory / Health

  • Levels In Humans:
    Note: this data represents naturally occuring levels of elements in the typical human, it DOES NOT represent recommended daily allowances.
    • Blood/mg dm-3: nil
    • Bone/p.p.m: nil
    • Liver/p.p.m: nil
    • Muscle/p.p.m: nil
    • Daily Dietary Intake: nil
    • Total Mass In Avg. 70kg human: nil

Who / Where / When / How

  • Discoverer: S.Hofmann, V.Ninov, F.P.Heßberger, P.Armbruster, H.Folger, G.Münzenberg, H.J.Schött
  • Discovery Location: Darmstadt Germany
  • Discovery Year: 1994
  • Name Origin:
    Named for Wilhelm Conrad Roentgen who discovered X-rays in 1895.
  • Abundance of Roentgenium:
    • Earth's Crust/p.p.m.: nil
    • Seawater/p.p.m.: nil
    • Atmosphere/p.p.m.: nil
    • Sun (Relative to H=1E12): N/A
  • Sources of Roentgenium:
    Syntheticly produced element normally produced by fusing two lighter elements in a heavy ion accelerator.
  • Uses of Roentgenium:
    Of research interest only.
  • Additional Notes:
    In August of 2003 the International Union of Pure and Applied Chemistry (IUPAC) announced the official naming of this element (source: IUPAC, Element 111 is named roentgenium,
    2004/naming111.html, Accessed online Aug 1, 2006).

Roentgenium Menu


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