Hassium

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Hassium Quick Reference

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Notes

Symbol

Hs

Atomic Number

108

Oxidation States

8

predicted

7

predicted

6

predicted

5

predicted

4

predicted

3

predicted

2

predicted

1

predicted

Electron Configuration

Orbital Occupancy

[Rn] 5f14 6d6 7s2

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

Orbital Filling Order

[Rn] 7s2 5f14 6d6

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

Term Symbol

5D4

see expanded configuration ...

Ionization Energies

I (1)

7.8 eV

Pyykkö Covalent Radius

single bond

134 pm

double bond

125 pm

triple bond

118 pm

Quantity

Hassium Atomic Structure

Notes

Ionization Energies

I (1)

7.8 eV

Electron Configuration

Orbital Occupancy

[Rn] 5f14 6d6 7s2

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

Orbital Filling Order

[Rn] 7s2 5f14 6d6

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

Term Symbol

5D4

see expanded configuration ...

Fluorescence Yields

ωK

0.973

ωL1

0.331

ωL2

0.584

ωL3

0.635

Coster-Kronig Yields

F13

0.50 

F23

0.165

Quantity

Hassium Atomic Interaction

Notes

Oxidation States

8

predicted

7

predicted

6

predicted

5

predicted

4

predicted

3

predicted

2

predicted

1

predicted

Quantity

Hassium Identification

Notes

CAS Number

54037-57-9

Quantity

Hassium Atomic Size

Notes

Pyykkö Covalent Radius

single bond

134 pm

double bond

125 pm

triple bond

118 pm

Quantity

Hassium History

Notes

Discovery

date of discovery

1984

discoverer

G. Münzenberg

discoverer

P. Armbruster

discoverer

H. Folger

discoverer

F. P. Heßberger

discoverer

S. Hofmann

discoverer

J. Keller

discoverer

K. Poppensieker

discoverer

W. Reisdorf

discoverer

K.-H. Schmidt

discoverer

H.-J. Schött

discoverer

M. E. Leino

discoverer

R. Hingmann

location of discovery

Gesellschaft für Schwerionenforschung mbH (GSI), Darmstadt, Germany

Origin of Element Name

origin

Hesse

origin description

place—German state

Origin of Element Symbol

symbol: Hs

origin

hassium

origin description

element name

Formerly Used or Proposed Element Names and Symbols

name

hahnium

matching symbol

Ha

name

hahnium

matching symbol

Hn

name

unniloctium

matching symbol

Uno

name

eka-osmium

no matching symbol specified

Quantity

Hassium Nomenclature

Notes

Element Names in Other Languages

French

hassium

German

Hassium

Italian

hassio

Spanish

hassio

Portuguese

hássio

Anions or Anionic Substituent Groups

hasside

Cations or Cationic Substituent Groups

hassium

Ligands

hassido

Heteroatomic Anion

hassate

'a' Term—Substitutive Nomenclature

hassa

'y' Term—Chains and Rings Nomenclature

hassy

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

Connelly, Neil G., Ture Damhus, Richard M. Hartshorn, and Alan T. Hutton. Nomenclature of Inorganic Chemistry: IUPAC Recommendations 2005. Cambridge: RSC Publishing, 2005.

Emsley, John. Nature's Building Blocks: An A-Z Guide to the Elements. Oxford: Oxford University Press, 2003.

Emsley, John. The Elements, 3rd edition. Oxford: Oxford University Press, 1998.

Firestone, Richard B. Table of Isotopes, 8th edition, volume 2. Edited by Virginia S. Shirley, with assistant editors Coral M. Baglin, S. Y. Frank Chu, and Jean Zipkin. New York: John Wiley & Sons, Inc., 1996.

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.

Krause, M. O. "Atomic Radiative and Radiationless Yields for K and L Shells." Journal of Physical and Chemical Reference Data, volume 8, number 2, 1979, pp. 307–327.

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.

Soukhanov, Anne H., editor. The American Heritage Dictionary Of The English Language, 3rd edition. Boston: Houghton Mifflin Company, 1992.

Yaws, Carl L. The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals. Houston, TX: Gulf Publishing Company, 2005.