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By Name

By Symbol

By Number

Element

Discovery

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Rhenium

date of discovery

1925

discoverer

Walter Karl Friedrich Noddack

birth

1893

death

1960

discoverer

Ida Tacke Noddack

birth

1896

death

1978

discoverer

Otto Berg

birth

1874

death

1939

location of discovery

Berlin, Germany

Rhodium

date of discovery

1803

discoverer

William Hyde Wollaston

birth

August 6, 1766

death

December 22, 1828

location of discovery

London, England

Roentgenium

date of discovery

1994

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

A. N. Andreyev

discoverer

S. Saro

discoverer

R. Janik

discoverer

M. E. Leino

location of discovery

Gesellschaft für Schwerionenforschung mbH (GSI), Darmstadt, Germany

Rubidium

date of discovery

1861

discoverer

Robert Wilhelm Bunsen

birth

March 31, 1811

death

August 16, 1899

discoverer

Gustav Robert Kirchhoff

birth

March 12, 1824

death

October 17, 1887

location of discovery

Heidelberg, Germany

Ruthenium

date of discovery

1844

discoverer

Karl Karlovich Klaus

birth

January 23, 1796

death

March 24, 1864

location of discovery

Kazan, Russia

Rutherfordium

date of discovery

1969

discoverer

Albert Ghiorso

birth

July 15, 1915

discoverer

Matti Nurmia

discoverer

James Harris

discoverer

Kari Eskola

discoverer

Pirkko Eskola

location of discovery

Berkeley, California

Samarium

date of discovery

1879

discoverer

Paul-Émile Lecoq de Boisbaudran

birth

April 18, 1838

death

May 28, 1912

location of discovery

Paris, France

Scandium

date of discovery

1879

discoverer

Lars Fredrik Nilson

birth

May 27, 1840

death

May 14, 1899

location of discovery

Uppsala, Sweden

Seaborgium

date of discovery

1974

discoverer

Albert Ghiorso

birth

July 15, 1915

discoverer

Joachim Michael Nitschke

discoverer

Jose R. Alonso

discoverer

Carol T. Alonso

discoverer

Matti Nurmia

discoverer

Glenn Theodore Seaborg

birth

April 19, 1912

death

February 25, 1999

discoverer

E. Kenneth Hulet

discoverer

Ronald W. Lougheed

location of discovery

Berkeley, California

Selenium

date of discovery

1818

discoverer

Jöns Jacob Berzelius

birth

August 20, 1779

death

August 7, 1848

location of discovery

Stockholm, Sweden

Silicon

date of discovery

1824

discoverer

Jöns Jacob Berzelius

birth

August 20, 1779

death

August 7, 1848

location of discovery

Stockholm, Sweden

Silver

date of discovery

circa 5000 BC

discoverer

unknown

location of discovery

unknown

Sodium

date of discovery

1807

discoverer

Humphry Davy

birth

December 17, 1778

death

May 29, 1829

location of discovery

London, England

Strontium

date of discovery

1808

discoverer

Humphry Davy

birth

December 17, 1778

death

May 29, 1829

location of discovery

London, England

Sulfur

date of discovery

prehistory

discoverer

unknown

location of discovery

unknown

Tantalum

date of discovery

1802

discoverer

Anders Gustaf Ekeberg

birth

January 16, 1767

death

February 11, 1813

location of discovery

Uppsala, Sweden

Technetium

date of discovery

1937

discoverer

Emilio Gino Segrè

birth

1905

death

1989

discoverer

Carlo Perrier

birth

1886

death

1948

location of discovery

Palermo, Silicy, Italy

Tellurium

date of discovery

1783

discoverer

Baron Franz Joseph Müller von Reichenstein

birth

July 1, 1740

death

October 12, 1825 (1826?)

location of discovery

Sibiu, Romania

Terbium

date of discovery

1843

discoverer

Carl Gustav Mosander

birth

September 10, 1797

death

October 15, 1858

location of discovery

Stockholm, Sweden

Thallium

date of discovery

1861

discoverer

Sir William Crookes

birth

June 17, 1832

death

April 4, 1919

location of discovery

London, England

Thorium

date of discovery

1829

discoverer

Jöns Jacob Berzelius

birth

August 20, 1779

death

August 7, 1848

location of discovery

Stockholm, Sweden

Thulium

date of discovery

1879

discoverer

Per Teodor Cleve

birth

February 10, 1840

death

June 18, 1905

location of discovery

Uppsala, Sweden

Tin

date of discovery

circa 2100 BC

discoverer

unknown

location of discovery

unknown

Titanium

shared discovery

date of discovery

1795

discoverer

Martin Heinrich Klaproth

birth

December 1, 1743

death

January 1, 1817

location of discovery

Berlin, Germany

shared discovery

date of discovery

1791

discoverer

William Gregor

birth

December 25, 1761

death

June 11 (or July 11), 1817

location of discovery

Creed, in Cornwall, England

Tungsten

date of discovery

1783

discoverer

Don Fausto de Elhuyar

birth

October 11, 1755

death

January 6, 1833

discoverer

Don Juan José de Elhuyar y de Zubice

birth

June 15, 1754

death

September 20, 1796

location of discovery

Vergara, Spain

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

Corish, J., and G. M. Rosenblatt. "Name and Symbol of the Element with Atomic Number 111 (IUPAC Recommendations 2004)." Pure and Applied Chemistry, volume 76, number 12, 2004, pp. 2101–2103. doi:10.1351/pac200476122101

Corson, D. R., K. R. MacKenzie, and E. Segrè. "Artificially Radioactive Element 85." Physical Review, volume 58, number 8, 1940, pp. 672–678. doi:10.1103/PhysRev.58.672

Cox, P. A. The Elements: Their Origin, Abundance and Distribution. Oxford: Oxford University Press, 1989.

Ekeberg, A. G. "Of the Properties of the Earth Yttria, Compared with Those of Glucine of Fossils, in Which the First of These Earths is Contained; and of the Discovery of a New Substance of a Metallic Nature (Tantalium)." A Journal of Natural Philosophy, Chemistry, and the Arts, volume 3, 1802, pp. 251–255.

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

Ghiorso, A., B. G. Harvey, G. R. Choppin, S. G. Thompson, and G. T. Seaborg. "New Element Mendelevium, Atomic Number 101." Physical Review, volume 98, number 5, 1955, pp. 1518–1519. doi:10.1103/PhysRev.98.1518

Ghiorso, A., J. M. Nitschke, J. R. Alonso, C. T. Alonso, M. Nurmia, G. T. Seaborg, E. K. Hulet, and R. W. Lougheed. "Element 106." Physical Review Letters, volume 33, number 25, 1974, pp. 1490–1493. doi:10.1103/PhysRevLett.33.1490

Ghiorso, A., M. Nurmia, J. Harris, K. Eskola, and P. Eskola. "Positive Identification of Two Alpha-Particle-Emitting Isotopes of Element 104." Physical Review Letters, volume 22, number 24, 1969, pp. 1317–1320. doi:10.1103/PhysRevLett.22.1317

Ghiorso, A., S. G. Thompson, G. H. Higgins, G. T. Seaborg, M. H. Studier, P. R. Fields, S. M. Fried, H. Diamond, J. F. Mech, G. L. Pyle, J. R. Huizenga, A. Hirsch, W. M. Manning, C. I. Browne, H. L. Smith, and R. W. Spence. "New Elements Einsteinium and Fermium, Atomic Numbers 99 and 100." Physical Review, volume 99, number 3, 1955, pp. 1048–1049. doi:10.1103/PhysRev.99.1048

Ghiorso, A., T. Sikkeland, J. R. Walton, and G. T. Seaborg. "Element No. 102." Physical Review Letters, volume 1, number 1, 1958, pp. 18–21. doi:10.1103/PhysRevLett.1.18

Ghiorso, Albert, Matti Nurmia, Kari Eskola, James Harris, and Pirkko Eskola. "New Element Hahnium, Atomic Number 105." Physical Review Letters, volume 24, number 26, 1970, pp. 1498–1503. doi:10.1103/PhysRevLett.24.1498

Ghiorso, Albert, Matti Nurmia, Kari Eskola, James Harris, and Pirkko Eskola. "New Element Hahnium, Atomic Number 105." Physical Review Letters, volume 24, number 26, 1970, pp. 1498–1503. doi:10.1103/PhysRevLett.24.1498

Ghiorso, Albert, Torbjørn Sikkeland, Almon E. Larsh, and Robert M. Latimer. "New Element, Lawrencium, Atomic Number 103." Physical Review Letters, volume 6, number 9, 1961, pp. 473–475. doi:10.1103/PhysRevLett.6.473

Griffith, W. P. "Bicentenary of Four Platinum Group Metals: Part I: Rhodium and Palladium—Events Surrounding Their Discoveries." Platinum Metals Review, volume 47, number 4, 2003, pp. 175–183.

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

Ihde, Aaron J. The Development of Modern Chemistry. New York: Dover Publications, Inc., 1984.

Marshall, James L. Discovery of the Elements: A Search for the Fundamental Principles of the Universe, 2nd edition. Boston, MA: Pearson Custom Publishing, 2002.

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

Nobel Foundation. Glenn T. Seaborg: The Nobel Prize in Chemistry 1951. http://nobelprize.org/nobel_prizes/chemistry/laureates/1951/seaborg-bio.html. Accessed on July 1, 2009.

Perrier, C., and E. Segrè. "Some Chemical Properties of Element 43." Journal of Chemical Physics, volume 5, number 9, 1937, pp. 712–716. doi:10.1063/1.1750105

Quadbeck-Seeger, Hans-Jürgen. World of the Elements: Elements of the World. Translated by José Oliveira. Bad Dürkheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2007.

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

Thompson, S. G., A. Ghiorso, and G. T. Seaborg. "The New Element Berkelium (Atomic Number 97)." Physical Review, volume 80, number 5, 1950, pp. 781–789. doi:10.1103/PhysRev.80.781

Thompson, S. G., K. Street, Jr., A. Ghiorso, and G. T. Seaborg. "The New Element Californium (Atomic Number 98)." Physical Review, volume 80, number 5, 1950, pp. 790–796. doi:10.1103/PhysRev.80.790

Weeks, Mary Elvira, and Henry M. Leicester. Discovery of the Elements, 7th edition. Easton, PA: Journal of Chemical Education, 1968.

Weeks, Mary Elvira. "The Scientific Contributions of the de Elhuyar Brothers." Journal of Chemical Education, volume 11, number 7, 1934, pp. 413–419. doi:10.1021/ed011p413