{"id":35636,"date":"2020-08-29T11:43:00","date_gmt":"2020-08-29T09:43:00","guid":{"rendered":"https:\/\/rinconeducativo.org\/efemerides\/29-agosto-1982-se-sintetiza-primera-vez-meitnerio\/"},"modified":"2024-08-20T10:22:24","modified_gmt":"2024-08-20T08:22:24","slug":"august-29-1982-meitnerium-synthesized-first-time","status":"publish","type":"re_efemeride","link":"https:\/\/rinconeducativo.org\/en\/anniversaries\/august-29-1982-meitnerium-synthesized-first-time\/","title":{"rendered":"August 29, 1982 - Meitnerium synthesized for the first time"},"content":{"rendered":"
\n
\"\"<\/figure>\n<\/div>\n\n\n

Methnerium, formerly called unilenium, is a chemical element of the periodic table whose symbol is Mt and atomic number is 109.<\/p>\n\n\n\n

In the periodic table, it is a transactinide element of the 7th period of the d-series and is placed in group 9 of the elements, although no chemical experiments have yet been carried out to confirm that it behaves like the elements of this group. It has a high radioactivity and a short natural lifetime.<\/p>\n\n\n\n

It is believed that meitnerium has similar properties to its lighter counterparts such as cobalt, rhodium, and iridium because it behaves like a metal.<\/p>\n\n\n\n

It was first synthesized in 1982 by a German research team led by Peter Armbruster and Gottfried M\u00fcnzenberg at the Institute for Heavy Ion Research (Gesellschaft f\u00fcr Schwerionenforschung) in Darmstadt, by bombarding bismuth-209 with accelerated iron-58 nuclei.<\/p>\n\n\n\n

The creation of this element demonstrated that nuclear fusion techniques could be used to create new heavy nuclei.<\/p>\n\n\n\n

Its applications are practically non-existent because its production is artificial and only 10 short-lived atoms have been obtained. For this reason, it is only used in scientific research.<\/p>\n\n\n\n

The name meitnerium was suggested in honour of the mathematician and physicist, Lise Meitner.<\/a> However, at the time, there was controversy about the names of the elements between 101 and 109, so the International Union of Pure and Applied Chemistry (IUPAC)<\/a> adopted the name unnilenium (symbol Uno) temporarily as the element's systematic name. In 1997, the dispute was resolved and the current name was retained.<\/p>\n","protected":false},"excerpt":{"rendered":"

August 29, 1982 - Meitnerium synthesized for the first time.<\/p>\n","protected":false},"author":1088,"featured_media":35633,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[7560,8230,7715],"mes":[7209],"clasificacion_anterior":[],"class_list":["post-35636","re_efemeride","type-re_efemeride","status-publish","has-post-thumbnail","hentry","tag-atomo-en","tag-nuclear-energy","tag-periodic-table-en","mes-august"],"acf":{"fecha":"19820829"},"yoast_head":"\nAugust 29, 1982 - Meitnerium synthesized for the first time - Rinc\u00f3n educativo<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rinconeducativo.org\/en\/anniversaries\/august-29-1982-meitnerium-synthesized-first-time\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"August 29, 1982 - Meitnerium synthesized for the first time - 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