WebElements

Periodic Table

seaborgium

Atomic number: 106
Atomic weight: 263
Symbol: Sg
Group number: 6
Electronic configuration: [Rn].5f14.6d4.7s2 (a guess based upon that of tungsten)

Description

General information

Discoveror: Albert Ghiorso and others
Date discovered: 1974
Discovered at: The Lawrence Berkeley Laboratory in California and the Livermore National Laboratory, USA.
Meaning of name: Glenn T. "Seaborg", American nuclear chemist and Nobel prize winner.

Physical data

Standard state: unknown but presumably a solid at 298 K
Colour: /TR>

Isotopes

This section gives some data for naturally occurring isotopes.
Nominal mass Accurate mass % natural abundance
nil

Further Information

Copyright 1997 Mark Winter
Department of Chemistry at the University of Sheffield, Sheffield S3 7HF, England.

The current version of this document is at http://www.shef.ac.uk/~chem/web-elements-I/Sg.html