WebElements

Periodic Table

hassium

Atomic number: 108
Atomic weight: 265
Symbol: Hs
Group number: 8
Electronic configuration: [Rn].5f14.6d6.7s2 (a guess based upon that of osmium)

Description

Hassium, is a synthetic element that is not present in the environment at all.

General information

Discoveror: Peter Armbruster, Gottfried Münzenber and their co-workers.
Date discovered: 1984
Discovered at: Gesellschaft für Schwerionenforschung (GSI) in Darmstadt, Germany.
Meaning of name: The origin of the name is the Latin word "Hassias" meaning "Hess", the German state.

Physical data

Standard state: unknown but presumably a solid at 298 K
Colour: thalpy

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/Hs.html