Elements

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Across
  1. 1. Was discovered in 1863 by Ferdinand Reich at the Freiberg School of Mines in Germany.
  2. 6. Was discovered by Carl F. Auer von Welsbach, an Austrian chemist, in 1885.
  3. 8. Was discovered in January 1839 by Carl Gustav Mosander at the Karolinska Institute, Stockholm.
  4. 11. Discovery date, 1952 ; Discovered by, Albert Ghiorso and colleagues
  5. 14. Was discovered by Eugène-Antole Demarçay, a French chemist, in 1896.
  6. 15. Was discovered by Andrés Manuel del Rio, a Spanish chemist, in 1801.
  7. 17. Was discovered by Martin Heinrich Klaproth, a German chemist in 1789.
  8. 18. Discovered by Glenn Seaborg at Berkeley in 1940,
  9. 21. It was first isolated in 1925 by Walter and Ida Noddack and Otto Berg in Germany.
  10. 22. Named after the Russian physicist Georgy Flerov who founded the Joint Institute for Nuclear Research where the element was discovered.
  11. 24. Marie Curie is remembered for her discovery of this element.
  12. 25. Was discovered by Georg Brandt, a Swedish chemist, in 1739.
  13. 26. The credit for discovering this element goes to the brothers, Juan and Fausto Elhuyar, who were interested in mineralogy
  14. 28. Was discovered by Friedrich Ernst Dorn, a German chemist, in 1900 while studying radium's decay chain.
  15. 29. Was discovered in 1791 by the clergyman and geologist William Gregor as an inclusion of a mineral in Cornwall, Great Britain.
  16. 30. Was discovered by William Hyde Wollaston, an English chemist, in 1803.
Down
  1. 2. Was discovered in 1886 by Paul-Émile Lecoq de Boisbaudran in Paris.
  2. 3. Was discovered in 1803, by English chemist Smithson Tennant in London.
  3. 4. Was first made in 1950 at Berkeley, California, by a team consisting of Stanley Thompson, Kenneth Street Jr., Albert Ghiorso, and Glenn Seaborg.
  4. 5. Was discovered in 1880 by Charles Galissard de Marignac at Geneva.
  5. 7. Was discovered by the Swiss chemist Jean Charles Galissard de Marignac in the year 1878.
  6. 9. Discovery date, 1964 ; Discovered by, Georgy Flerov and colleagues at Dubna, near Moscow, Russia.
  7. 10. It was first identified as an element in 1753 by Claude Geoffrey the Younger.
  8. 12. Is named for Dmitri Mendeleev who produced one of the first periodic tables.
  9. 13. Was discovered in July 1898 by William Ramsay and Morris Travers at University College London.
  10. 16. Was discovered by Marguerite Perey in France (from which the element takes its name) in 1939.
  11. 19. Was known to the ancient Chinese, Egyptians and Hindus and has been found in Egyptian tombs dating back to about 1500 B.C.
  12. 20. Discovered in 1898, By a British chemists, William Ramsay and Morris Travers
  13. 23. Was first produced by Peter Armbruster, Gottfried Münzenber and their team working at the Gesellschaft für Schwerionenforschung in Darmstadt, Germany on November 9th, 1994.
  14. 27. Discovery date, 1940. Discovered by, Edwin McMillan and Philip Abelson