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Hassium

Metal radioactivesynthetic
Symbol: Hs
Atomic number: 108
Atomic mass: (265.1306)
Group: Transition Metal
CAS-number: 54037-57-9

Physical data
Isotopes
Other info
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Physical data

Electronic data

Shells: 2, 8, 18, 32, 32, 14, 2
Orbitals: [Rn] 5f14 6d6 7s2
Electronegativity: --, --
1. Ionization potential: -- eV
2. Ionization potential: -- eV
3. Ionization potential: -- eV
Oxidation states: --
Electrical conductivity: --

Thermal data

Melting point: -- °C
Boiling point: -- °C
Specific heat: -- J/gK
Heat of fusion: -- kJ/mol
Heat of vaporization: -- kJ/mol
Thermal conductivity: -- W/cmK

Steric data

Atomic radius: -- Å
Ionic radius: -- Å
Covalent radius: -- Å
Atomic volume: -- cm³/mol
Density (293 K): -- g/cm³
Crystal structure: --

Isotopes

NuclideAbundance [%]MassSpinHalflifeDecay modeDecay tree
265Hs 0 265.13 0 2ms α View

Other info

Name origin:Named in honor of Henri Hess, Swiss born Russian chemist known for work in thermodydamics.
Description:Synthetic radioactive metal.
Discovered by:Heavy Ion Research Laboratory (HIRL)
Year:1984
Place:Germany
Sources:Formed by the bombardment of lead-208 with iron-58.
Use(s):It has no significant commercial applications.