Seaborgium atoms split in about three minutes, so very little is known about it. Scientists think it may be a metal. The element was isolated in 1974, in a superheavy ion linear accelerator at Lawrence Berkeley National Laboratory. It was named after U.S. Nobel laureate Glenn T. Seaborg.

Summary of properties (Sg)

Atomic weight[269]
Discoverer (year)Seaborg, Glenn T. (1974)
Natural formmetallic solid (-)
Electron configuration[Rn] 7s2 514 6d4
Melting point (ºC)
Boiling point (ºC)
Abundance in earth's crust (ppm)synthetic
Isotope (abundance)
Density g/cm3
Van der Waals radius (pm)
Covalent radius (pm)143
Electronegativity (Pauling)
Vaporization enthalpy (kJ/mol)-
Enthalpy of fusion (kJ/mol)-
Specific heat capacity (J/g·K) at 25ºC and 1 atm-
Thermal conductivity (W/cm·K) at 25ºC and 1 atm-
Oxidation state
Electron affinity (eV)
1st Ionization potential (eV)

Back to the Periodic Table of the Elements.