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Periodic Table of Elements

Element Hassium - Hs

Comprehensive data on the chemical element Hassium is provided on this page; including scores of properties, element names in many languages, most known nuclides of Hassium. 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.

Hassium Menu

• Hassium Page One
  • Overview of Hassium
  • Hassium's Name in Other Languages
  • Atomic Structure of Hassium
  • Chemical Properties of Hassium
  • Physical Properties of Hassium
  • Regulatory / Health
  • Who/When/Where/How
• Hassium Page Two
  • Nuclides / Isotopes
  • Potential Parent Nuclides

Overview of Hassium

• Atomic Number: 108
• Group: 8
• Period: 7
• Series: Transactinides

Hassium's Name in Other Languages

• Latin: Hassium
• Czech: Hassium
• Croatian: Hassij
• French: Hassium
• German: Hassium - s
• Italian: Hassium
• Norwegian: Hassium
• Portuguese:
• Russian: Хассий
• Spanish: Hassio
• Swedish:

Atomic Structure of Hassium

• Atomic Radius:
• Atomic Volume:
• Covalent Radius:
• Cross Section (Thermal Neutron Capture) σ_a/barns:
• Crystal Structure:

• Electron Configuration:

  1s² 2s²p⁶ 3s²p⁶d¹⁰ 4s²p⁶d¹⁰f¹⁴ 5s²p⁶d¹⁰f¹⁴ 6s²p⁶d⁶ 7s²

• Electrons per Energy Level: 2,8,18,32,32,14,2

  Shell Model
  

• Ionic Radius:
• Filling Orbital:
• Number of Electrons (with no charge): 108
• Number of Neutrons (most common/stable nuclide): 157
• Number of Protons: 108
• Oxidation States:
• Valence Electrons:

Chemical Properties of Hassium

• Electrochemical Equivalent:
• Electron Work Function:
• Electronegativity: N/A (Pauling); N/A (Allrod Rochow)
• Heat of Fusion: kJ/mol
• Incompatibilities:

• Ionization Potential
  • First:
• Valence Electron Potential (-eV):

Physical Properties of Hassium

• Atomic Mass Average: 265
• Boiling Point:
• Coefficient of lineal thermal expansion/K^-1: N/A
• Conductivity

  Electrical:
  Thermal:

• Description:

  Man made radioactive metal.

• Flammablity Class:
• Freezing Point: see melting point
• Heat of Vaporization: kJ/mol
• Melting Point:
• Physical State (at 20°C & 1atm):
• Specific Heat:

Regulatory / Health

• CAS Number
  • 54037-57-9
• NFPA 704
  • Health:
  • Fire:
  • Reactivity:
  • Special Hazard: Radioactive<
  • OSHA Permissible Exposure Limit (PEL)
    • No limits set by OSHA
  • OSHA PEL Vacated 1989
    • No limits set by OSHA
  • NIOSH Recommended Exposure Limit (REL)
    • No limits set by NIOSH
  • 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: Peter Armbruster, Gottfried Munzenber, et al.
  • Discovery Location: Darmstadt, Germany
  • Discovery Year: 1984
  • Name Origin:

    Latin "Hassias" meaning "Hess", the German state.

  • Abundance of Hassium:
    • Earth's Crust/p.p.m.: N/A
    • Seawater/p.p.m.: nil
    • Atmosphere/p.p.m.: N/A
    • Sun (Relative to H=1E¹²): N/A
  • Sources of Hassium:

    Synthetically prepared element. Only a small number of atoms have every been produced.

  • Uses of Hassium:

    None

  • Additional Notes:

    In August of 1997 the International Union of Pure and Applied Chemistry announced the official naming of this element as Hassium

  Hassium Menu

  • Hassium Page One
    • Overview of Hassium
    • Hassium's Name in Other Languages
    • Atomic Structure of Hassium
    • Chemical Properties of Hassium
    • Physical Properties of Hassium
    • Regulatory / Health
    • Who/When/Where/How
  • Hassium Page Two
    • Nuclides / Isotopes
    • Potential Parent Nuclides

  References

  A list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.

  Related Resources

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  • Chemical Database
    This database focuses on the most common chemical compounds used in the home and industry.

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