Berkeley (USA)

Berkelium (Bk), 97

Discoverers: Glenn T. Seaborg, Albert Ghiorso and Stanley G. Thompson

Produced and identified at the accelerators of the Lawrence Berkeley National Laboratory (LBNL) in Berkeley (California, USA)

1949

Copenhagen (Denmark), lat. Hafnia

Hafnium (Hf), 72

Discoverers: Dirk Coster and George de Hevesy

Occurs naturally, identified in Copenhagen (Denmark)

1923

Darmstadt (Germany)

Darmstadtium (Ds), 110

Discoverers: Sigurd Hofmann, Peter Armbruster, Gottfried Münzenberg with international team

Produced and identified at the accelerator of the Gesellschaft für Schwerionenforschung (today: GSI Helmholtzzentrum für Schwerionenforschung) in Darmstadt (Hesse, Germany)

1994 (off. recognition 2003)

Dubna (Russia)

Dubnium (Db), 105

Discoverer: G. N. Flerow, Yu. Oganessian

Produced and identified at the accelerator of the Joint Institute for Nuclear Research (JINR) in Dubna (Russia)

1969

Livermore (USA)

Livermorium (Lv), 116

Discoverers: Yu. Oganessian with team of Russian and US scientists

Produced and identified at the accelerator of the Joint Institute for Nuclear Research (JINR) in Dubna (Russia). Scientists of the Lawrence Livermore National Laboratory (LLNL) in Livermore (USA) were significantly involved in the discovery.

2000 (off. recognition 2010)

Paris (France), ancient name Lutetia

Lutetium (Lu), 71

Discoverers: Georges Urbain, Carl Auer von Welsbach and Charles James

Occurs naturally, identified in Paris (France), Treibach (Austria) und Durham (USA) almost at the same time

1907

Stockholm (Sweden), lat. Holmia

Holmium (Ho), 67

Discoverers: Marc Delafontaine and Jacques-Louis Soret

Occurs naturally, identified in Geneva (Switzerland). One year later it was also found by Per Theodor Cleve in Uppsala (Schweden) and named after his city of birth Stockholm.

1878

Strontian (Scotland)

Strontium (Sr), 38

Discoverer: Adair Crawford

Occurs naturally, found in the town Strontian (Scotland), identified in Edinburgh (Scotland)

1790

Ytterby (Sweden)

Yttrium (Y), 39

Discoverer: Johan Gadolin

Occurs naturally, found in the town Ytterby (Sweden), identified in Abo (Finland)

1794

Ytterby (Sweden)

Erbium (Er), 68

Discoverer: Carl Gustav Mosander

Occurs naturally, found in the town Ytterby (Sweden), identified in Stockholm (Sweden)

1843

Ytterby (Sweden)

Terbium (Tb), 65

Discoverer: Carl Gustav Mosander

Occurs naturally, found in the town Ytterby (Sweden), identified in Stockholm (Sweden)

1843

Ytterby (Sweden)

Ytterbium (Yb), 70

Discoverer: Jean Charles Galissard de Marignac

Occurs naturally, found in the town Ytterby (Sweden), identified in Geneva (Switzerland)

1878

California (USA)

Californium (Cf), 98

Discoverers: Stanley G. Thompson, Kenneth Street, Jr., Albert Ghiorso and Glenn T. Seaborg

Produced and identified at the accelerator of the Lawrence Berkeley National Laboratory (LBNL) in Berkeley (California, USA)

1950

Hesse (Germany), lat. Hassia

Hassium (Hs), 108

Discoverers: Peter Armbruster, Gottfried Münzenberg, Sigurd Hofmann with international team.

Produced and identified at the accelerator of the Gesellschaft für Schwerionenforschung (today: GSI Helmholtzzentrum für Schwerionenforschung) in Darmstadt (Hesse, Germany)

1984 (off. recognition 1997)

Moscow (Russia)

Moscovium (Mc), 115

Discoverers: Yu. Ts. Oganessian, 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, and M. G. Itkis, J. B. Patin, K. J. Moody, J. F. Wild, M. A. Stoyer, N. J. Stoyer, D. A. Shaughnessy, J. M. Kenneally, R. W. Lougheed

Produced and identified at Joint Institute for Nuclear Research (JINR) in Dubna, oblast (region) Moscow (Russia).

2004 (off. recognition 2016)

Tennessee (USA)

Tennessine (Ts), 117

Discoverers: Y. T. Oganessian, F. S. 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, Y. 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, Y. S. Tsyganov, V. K. Utyonkov, A. A. Voinov, G. K. Vostokin, P. A. Wilk

Produced and identified at Joint Institute for Nuclear Research (JINR) in Dubna (Russia).

2010 (off. recognition 2016)

France

Francium (Fr), 87

Discoverer: Marguerite Perey

Occurs naturally, identified at the Radium Institute Paris (France)

1939

France, (Gaul), lat. Gallia

Gallium (Ga), 31

Discoverer: Paul Émile Lecoq de Boisbaudran

Occurs naturally, identified in Paris. The name is ambiguous. On the one hand the Latin denomination Gallia stand for France, the country the element was identified in. On the other hand the Latin word gallus stand for cock, "le coq" in French, so that the element might also be named after the discoverer Lecoq.

1875

Germany, lat. Germania

Germanium (Ge), 32

Discoverer: Clemens Winkler

Occurs naturally, identified in Freiberg (Germany)

1886

Japan, jp. Nihon

Nihonium (Nh), 113

Discoverer:

2004 (off. recognition 2016)

Poland

Polonium (Po), 84

Discoverer: Marie Curie

Occurs naturally, identified in Paris. Poland is the home country of the discoverer.

1898

Scandinavia (lat. Scandia)

Scandium (Sc), 21

Discoverer: Lars Fredrik Nilson

Occurs naturally, identified at the University of Uppsala, Sweden

1879

Russia, lat. Ruthenia

Ruthenium (Ru), 44

Dicoverer: Karl Ernst Claus

Occurs naturally in platinum ores, identified at the Kazan State University

1844

America

Americium (Am), 95

Discoverers: Glenn T. Seaborg, Ralph A. James, Leon O. Morgan and Albert Ghiorso

Produced at the accelerator of the Lawrence Berkeley National Laboratory (LBNL) in Berkeley (California, USA). Identified at the metallurgic laboratory (today Argonne National Lab) in Chicago (USA)

1945

Europe

Europium (Eu), 63

Discoverer: Eugène-Anatole Demarçay

Occurs naturally, identified in Paris

1901

Rhine (lat. Rhenus)

Rhenium (Re), 75

Discoverers: Walter Noddack, Ida Noddack-Tacke and Otto Berg

Occurs naturally, identified at the Physikalisch-Technische Reichsanstalt (today Physikalisch-Technische Bundesanstalt) in Berlin (Germany)

1925

Thule (mystical island/country)

Thulium (Tm), 69

Discoverer: Per Theodor Cleve

Occurs naturally, identified in Uppsala (Sweden). Thule is a mystical island/country at the rim of the world in the European nordic sea.

1879