Ununoctium

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Ununoctium Quick Reference

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Notes

Symbol

Uuo

Atomic Number

118

Oxidation States

8

predicted

6

predicted

4

predicted

2

predicted

Ionization Energies

I  (1)

 9.8 eV

II (2)

15 eV  

Melting Point

258 K

predicted value

Boiling Point

263 K

predicted value

Pyykkö Covalent Radius

single bond

157 pm

Quantity

Ununoctium Atomic Structure

Notes

Ionization Energies

I  (1)

 9.8 eV

II (2)

15 eV  

Quantity

Ununoctium Atomic Interaction

Notes

Oxidation States

8

predicted

6

predicted

4

predicted

2

predicted

Quantity

Ununoctium Thermodynamics

Notes

Melting Point

258 K

predicted value

Boiling Point

263 K

predicted value

Quantity

Ununoctium Atomic Size

Notes

Pyykkö Covalent Radius

single bond

157 pm

Quantity

Ununoctium History

Notes

Discovery

date of claimed discovery

2002

discoverer

Yu. Ts. Oganessian

discoverer

V. K. Utyonkov

discoverer

Yu. V. Lobanov

discoverer

F. Sh. Abdullin

discoverer

A. N. Polyakov

discoverer

R. N. Sagaidak

discoverer

I. V. Shirokovsky

discoverer

Yu. S. Tsyganov

discoverer

A. A. Voinov

discoverer

G. G. Gulbekian

discoverer

S. L. Bogomolov

discoverer

B. N. Gikal

discoverer

A. N. Mezentsev

discoverer

S. Iliev

discoverer

V. G. Subbotin

discoverer

A. M. Sukhov

discoverer

K. Subotic

discoverer

V. I. Zagrebaev

discoverer

G. K. Vostokin

discoverer

M. G. Itkis

discoverer

K. J. Moody

discoverer

J. B. Patin

discoverer

D. A. Shaughnessy

discoverer

N. J. Stoyer

discoverer

M. A. Stoyer

discoverer

P. A. Wilk

discoverer

J. M. Kenneally

discoverer

J. H. Landrum

discoverer

J. F. Wild

discoverer

R. W. Lougheed

location of discovery

Joint Institute for Nuclear Research, Dubna, Russia

Origin of Element Name

origin

118

origin description

number—Systematic name

Origin of Element Symbol

symbol: Uuo

origin

ununoctium

origin description

element name

Formerly Used or Proposed Element Names and Symbols

name

eka-radon

no matching symbol specified

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

Barber, Robert C., Paul J. Karol, Hiromichi Nakahara, Emanuele Vardaci, and Erich W. Vogt. "Discovery of the Elements with Atomic Numbers Greater than or Equal to 113 (IUPAC Technical Report)." Pure and Applied Chemistry, volume 83, number 7, 2011, pp. 1485–1498. doi:10.1351/PAC-REP-10-05-01

Chatt, J. "Recommendations for the Naming of Elements of Atomic Numbers Greater Than 100." Pure and Applied Chemistry, volume 51, number 2, 1979, pp. 381–384. doi:10.1351/pac197951020381

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

Jr., O. Lewin Keller,, 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.

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.

Oganessian, Yu. Ts., F. Sh. Abdullin, P. D. Bailey, D. E. Benker, M. E. Bennett, S. N. Dmitriev, J. G. Ezold, J. H. Hamilton, R. A. Henderson, M. G. Itkis, Yu. V. Lobanov, A. N. Mezentsev, K. J. Moody, S. L. Nelson, A. N. Polyakov, C. E. Porter, A. V. Ramayya, F. D. Riley, J. B. Roberto, M. A. Ryabinin, K. P. Rykaczewski, R. N. Sagaidak, D. A. Shaughnessy, I. V. Shirokovsky, M. A. Stoyer, V. G. Subbotin, R. Sudowe, A. M. Sukhov, Yu. S. Tsyganov, V. K. Utyonkov, A. A. Voinov, G. K. Vostokin, and P. A. Wilk. "Synthesis of a New Element with Atomic Number Z=117." Physical Review Letters, volume 104, number 14, 2010, pp. 142502–1 to 142502–4. doi:10.1103/PhysRevLett.104.142502

Oganessian, Yu. Ts., F. Sh. Abdullin, S. N. Dmitriev, M. G. Itkis, Yu. V. Lobanov, A. N. Mezentsev, A. N. Polyakov, R. N. Sagaidak, I. V. Shirokovsky, V. G. Subbotin, A. M. Sukhov, Yu. S. Tsyganov, V. K. Utyonkov, A. A. Voinov, G. K. Vostokin, P. D. Bailey, D. E. Benker, J. G. Ezold, C. E. Porter, F. D. Riley, J. B. Roberto, K. P. Rykaczewski, M. E. Bennett, R. Sudowe, J. H. Hamilton, A.V. Ramayya, R. A. Henderson, K. J. Moody, S. L. Nelson, D. A. Shaughnessy, M. A. Stoyer, P. A. Wilk, and M. A. Ryabinin. "Synthesis of a New Element with Atomic Number Z=117." Physical Review Letters, volume 104, number 14, 2010, pp. 142502–1 to 142502–4. doi:10.1103/PhysRevLett.104.142502

Oganessian, Yu. Ts., V. K. Utyonkov, Yu. V. Lobanov, F. Sh. Abdullin, A. N. Polyakov, I. V. Shirokovsky, Yu. S. Tsyganov, G. G. Gulbekian, S. L. Bogomolov, B. N. Gikal, A. N. Mezentsev, S. Iliev, V. G. Subbotin, A. M. Sukhov, O. V. Ivanov, G. V. Buklanov, K. Subotic, M. G. Itkis, K. J. Moody, J. F. Wild, N. J. Stoyer, M. A. Stoyer, and R. W. Lougheed. "Synthesis of Superheavy Nuclei in the 48Ca+244Pu Reaction: 288114." Physical Review C, volume 62, number 4, 2000, pp. 041604–1 to 041604–4. doi:10.1103/PhysRevC.62.041604

Oganessian, Yu. Ts., V. K. Utyonkov, Yu. V. Lobanov, F. Sh. Abdullin, A. N. Polyakov, I. V. Shirokovsky, Yu. S. Tsyganov, G. G. Gulbekian, S. L. Bogomolov, B. N. Gikal, A. N. Mezentsev, S. Iliev, V. G. Subbotin, A. M. Sukhov, O. V. Ivanov, G. V. Buklanov, K. Subotic, M. G. Itkis, K. J. Moody, J. F. Wild, N. J. Stoyer, M. A. Stoyer, R. W. Lougheed, C. A. Laue, Ye. A. Karelin, and A. N. Tatarinov. "Observation of the decay of 292116." Physical Review C, volume 63, number 1, 2001, pp. 011301–1 to 011301–2. doi:10.1103/PhysRevC.63.011301

Oganessian, Yu. Ts., V. K. Utyonkov, Yu. V. Lobanov, F. Sh. Abdullin, A. N. Polyakov, R. N. Sagaidak, I. V. Shirokovsky, Yu. S. Tsyganov, A. A. Voinov, G. G. Gulbekian, S. L. Bogomolov, B. N. Gikal, A. N. Mezentsev, S. Iliev, V. G. Subbotin, A. M. Sukhov, K. Subotic, V. I. Zagrebaev, G. K. Vostokin, M. G. Itkis, K. J. Moody, J. B. Patin, D. A. Shaughnessy, M. A. Stoyer, N. J. Stoyer, P. A. Wilk, J. M. Kenneally, J. H. Landrum, J. F. Wild, and R. W. Lougheed. "Synthesis of the Isotopes of Elements 118 and 116 in the 249Cf and 245Cm+48Ca Fusion Reactions." Physical Review C, volume 74, number 4, 2006, pp. 044602–1 to 044602–9. doi:10.1103/PhysRevC.74.044602

Oganessian, Yu. Ts., V. K. Utyonkoy, Yu. V. Lobanov, F. Sh. Abdullin, A. N. Polyakov, I. V. Shirokovsky, Yu. S. Tsyganov, G. G. Gulbekian, S. L. Bogomolov, A. N. Mezentsev, S. Iliev, V. G. Subbotin, A. M. Sukhov, A. A. Voinov, G. V. Buklanov, K. Subotic, V. I. Zagrebaev, M. G. Itkis, J. B. Patin, K. J. Moody, J. F. Wild, M. A. Stoyer, N. J. Stoyer, D. A. Shaughnessy, J. M. Kenneally, and R. W. Lougheed. "Experiments on the Synthesis of Element 115 in the Reaction 243Am(48Ca,xn)291-x115." Physical Review C, volume 69, number 2, 2004, pp. 021601–1 to 021601–5. doi:10.1103/PhysRevC.69.021601

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

Seaborg, Glenn T. "Prospects for Further Considerable Extension of the Periodic Table." Journal of Chemical Education, volume 46, number 10, 1969, pp. 626–634. doi:10.1021/ed046p626