Copernicium

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Copernicium Quick Reference

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Notes

Symbol

Cn

Atomic Number

112

Oxidation States

2

predicted

1

predicted

Electron Configuration

Orbital Occupancy

[Rn] 5f14 6d10 7s2

[Rn] represents the closed-shell electron configuration of radon

Orbital Filling Order

[Rn] 7s2 5f14 6d10

[Rn] represents the closed-shell electron configuration of radon

see expanded configuration ...

Ionization Energies

I (1)

11.4 eV

Pyykkö Covalent Radius

single bond

122 pm

double bond

137 pm

triple bond

130 pm

Quantity

Copernicium Atomic Structure

Notes

Ionization Energies

I (1)

11.4 eV

Electron Configuration

Orbital Occupancy

[Rn] 5f14 6d10 7s2

[Rn] represents the closed-shell electron configuration of radon

Orbital Filling Order

[Rn] 7s2 5f14 6d10

[Rn] represents the closed-shell electron configuration of radon

see expanded configuration ...

Quantity

Copernicium Atomic Interaction

Notes

Oxidation States

2

predicted

1

predicted

Quantity

Copernicium Atomic Size

Notes

Pyykkö Covalent Radius

single bond

122 pm

double bond

137 pm

triple bond

130 pm

Quantity

Copernicium History

Notes

Discovery

date of discovery

1996

discoverer

S. Hofmann

discoverer

V. Ninov

discoverer

F. P. Heßberger

discoverer

P. Armbruster

discoverer

H. Folger

discoverer

G. Münzenberg

discoverer

H.-J. Schött

discoverer

A. G. Popeko

discoverer

A. V. Yeremin

discoverer

S. Saro

discoverer

R. Janik

discoverer

M. E. Leino

location of discovery

Gesellschaft für Schwerionenforschung mbH (GSI), Darmstadt, Germany

Origin of Element Name

origin

Nicolaus Copernicus

origin description

person—Polish scientist and astronomer who proposed that the Earth and the other planets circle the Sun

Origin of Element Symbol

symbol: Cn

origin

copernicium

origin description

element name

Formerly Used or Proposed Element Names and Symbols

symbol

Cp

name

ununbium

matching symbol

Uub

name

eka-mercury

no matching symbol specified

References    (Click the button next to a value above to see complete citation information for that entry)

Barber, Robert C., Heinz W. Gäggeler, Paul J. Karol, Hiromichi Nakahara, Emanuele Vardaci, and Erich Vogt. "Discovery of the Element with Atomic Number 112 (IUPAC Technical Report)." Pure and Applied Chemistry, volume 81, number 7, 2009, pp. 1331–1343. doi:10.1351/PAC-REP-08-03-05

GSI. Element 112 shall be named copernicium. http://www.gsi.de/portrait/Pressemeldungen/14072009_e.html. Accessed on May 6, 2010.

GSI. Element 112 shall be named "copernicium". http://www.gsi.de/portrait/Pressemeldungen/14072009_e.html. Accessed on September 27, 2009.

Hoffman, Darleane C., Albert Ghiorso, and Glenn T. Seaborg. The Transuranium People: The Inside Story. London, England: Imperial College Press, 2000.

Hofmann, S., V. Ninov, F. P. Heßberger, P. Armbruster, H. Folger, G. Münzenberg, H. J. Schött, A. G. Popeko, A. V. Yeremin, A. N. Andreyev, S. Saro, R. Janik, and M. Leino. "Production and Decay of 269110." Zeitschrift für Physik A Hadrons and Nuclei, volume 350, number 4, 1995, pp. 277–280. doi:10.1007/BF01291181

Hofmann, S., V. Ninov, F. P. Heßberger, P. Armbruster, H. Folger, G. Münzenberg, H. J. Schött, A. G. Popeko, A. V. Yeremin, A. N. Andreyev, S. Saro, R. Janik, and M. Leino. "The New Element 111." Zeitschrift für Physik A Hadrons and Nuclei, volume 350, number 4, 1995, pp. 281–282. doi:10.1007/BF01291182

Hofmann, S., V. Ninov, F. P. Heßberger, P. Armbruster, H. Folger, G. Münzenberg, H. J. Schött, A. G. Popeko, A. V. Yeremin, S. Saro, R. Janik, and M. Leino. "The New Element 112." Zeitschrift für Physik A Hadrons and Nuclei, volume 354, number 3, 1996, pp. 229–230. doi:10.1007/s002180050036

Keller, Jr., O. Lewin, and Glenn T. Seaborg. "Chemistry of the Transactinide Elements." pp. 139–166 in Annual Review Of Nuclear Science. Edited by Emilio Segre. Palo Alto, California: Annual Reviews Inc., 1977.

Miessler, Gary L., and Donald A. Tarr. Inorganic Chemistry, 3rd edition. Upper Saddle River, NJ: Pearson Prentice Hall, 2004.

Münzenberg, G., P. Armbruster, F. P. Heßberger, S. Hofmann, K. Poppensieker, W. Reisdorf, J. H. R. Schneider, W. F. W. Schneider, K.-H. Schmidt, C.-C. Sahm, and D. Vermeulen. "Observation of One Correlated α-Decay in the Reaction 58Fe on 209Bi → 267109." Zeitschrift für Physik A Hadrons and Nuclei, volume 309, number 1, 1982, pp. 89–90. doi:10.1007/BF01420157

Münzenberg, G., P. Armbruster, H. Folger, F. P. Heßberger, S. Hofmann, J. Keller, K. Poppensieker, W. Reisdorf, K.-H. Schmidt, H.-J. Schött, M. E. Leino, and R. Hingmann. "The Identification of Element 108." Zeitschrift für Physik A Hadrons and Nuclei, volume 317, number 2, 1984, pp. 235–236. doi:10.1007/BF01421260

Münzenberg, G., S. Hofmann, F. P. Heßberger, W. Reisdorf, K. H. Schmidt, J. H. R. Schneider, P. Armbruster, C. C. Sahm, and B. Thuma. "Identification of Element 107 by α Correlation Chains." Zeitschrift für Physik A Hadrons and Nuclei, volume 300, number 1, 1981, pp. 107–108. doi:10.1007/BF01412623

Pekka Pyykkö. Self-Consistent, Year-2009 Covalent Radii. http://www.chem.helsinki.fi/~pyykko/Radii09.pdf. Accessed on November 20, 2010.

Pyykkö, Pekka, and Michiko Atsumi. "Molecular Double-Bond Covalent Radii for Elements Li-E112." Chemistry - A European Journal, volume 15, number 46, 2009, pp. 12770–12779. doi:10.1002/chem.200901472

Pyykkö, Pekka, and Michiko Atsumi. "Molecular Single-Bond Covalent Radii for Elements 1-118." Chemistry - A European Journal, volume 15, number 1, 2009, pp. 186–197. doi:10.1002/chem.200800987

Pyykkö, Pekka, Sebastian Riedel, and Michael Patzschke. "Triple-Bond Covalent Radii." Chemistry - A European Journal, volume 11, number 12, 2005, pp. 3511–3520. doi:10.1002/chem.200401299

Seaborg, Glenn T., and Walter D. Loveland. The Elements Beyond Uranium. New York: John Wiley & Sons, Inc., 1990.

Tatsumi, Kazuyuki, and John Corish. "Name and Symbol of the Element with Atomic Number 112 (IUPAC Recommendations 2010)." Pure and Applied Chemistry, volume 82, number 3, 2010, pp. 753–755. doi:10.1351/PAC-REC-09-08-20