The mineralogy of Copernicium
About Copernicium |
---|
A synthetic element not found in nature. |
General Properties | |
---|---|
Symbol: | Cn |
Other names: | Previously assigned the IUPAC name of ununbium while waiting formal naming. |
Atomic Number: | 112 |
Standard atomic weight (Ar): | [285] |
Electron configuration: | [Rn].5f14.6d10.7s2 |
Atomic Properties | |
---|---|
Atomic Radius: | 147 pm - predicted value |
Physical Properties | |
---|---|
Metal/Non-Metal: | transition metal |
Main isotopes of Copernicium | ||||
---|---|---|---|---|
Isotope | % in Nature | Half Life | Decay type | Decay product |
283Cn | synthetic | 4s | α | 279Ds |
Spontaneous fission | ||||
283mCn ? | synthetic | ~7.0min | Spontaneous fission | |
285Cn | synthetic | 29s | α | 281Ds |
285mCn ? | synthetic | 8.9min | α | 281mDs ? |
Other Information | |
---|---|
Year Discovered: | 1996 |
Discovered By: | Gesellschaft für Schwerionenforschung |
Named For: | |
External Links: | WikipediaWebElementsLos Alamos National LaboratoryTheodore Gray's PeriodicTable.com |
Periodic Table | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Roentgenium << Copernicium >> Nihonium |
Spotted a mistake/omission? - These pages are a work in progress, so please send all comments/corrections to jolyon@mindat.org. Thank you.
Constants and physical property data from:
David R. Lide (ed.), CRC Handbook of Chemistry and Physics, 85th Edition. CRC Press. Boca Raton, Florida (2005).
Kaye and Laby Tables of Physical & Chemical Constants (2005). Section 3.1.3, Abundances of the elements
A. Earnshaw, N. Greenwood, Chemistry of the Elements, 2nd edition, Butterworth-Heinemann, (1997)
Thomas J. Ahrens (ed.), Global Earth Physics : A Handbook of Physical Constants, American Geophysical Union (1995)
L.B. Railsback, An Earth Scientist's Periodic Table of the Elements and Their Ions : Geology 31:9 p737-740 (2003)
Emsley, J. Nature's Building Blocks: An A-Z Guide to the Elements. New York: Oxford University Press (2001)