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This is an accepted version of this page This is the latest accepted revision, reviewed on 23 December 2024. "Element 115" redirects here. For fictional and conspiracy references to element 115, see Materials science in science fiction. Chemical element with atomic number 115 (Mc) Moscovium, 115 Mc Moscovium Pronunciation / m ɒ ˈ s k oʊ v i ə m / (mos- SKOH -vee-əm) Mass number (data not ...
Joseph William Kennedy (May 30, 1916 – May 5, 1957) was an American chemist who co-discovered plutonium, along with Glenn T. Seaborg, Edwin McMillan, and Arthur Wahl. During World War II , he led the CM (Chemistry and Metallurgy) Division at the Manhattan Project 's Los Alamos Laboratory , where he oversaw research onto the chemistry and ...
Elemental arsenic was discovered in the 13th century by Albertus Magnus. [14] Antimony was well known to the ancients. A 5000-year-old vase made of nearly pure antimony exists in the Louvre. Antimony compounds were used in dyes in the Babylonian times. The antimony mineral stibnite may have been a component of Greek fire. [14]
In general. Usually parameters reproduce the value, and the template adds the SI unit or additional standard text. While the topic is technical, we can strive to make the result readable text, and even verbose.
One of Ghiorso's breakthrough instruments was a 48-channel pulse height analyzer, which enabled him to identify the energy, and therefore the source, of the radiation. During this time they discovered two new elements (95, americium and 96, curium), although publication was withheld until after the war. [9]
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Einsteinium and fermium were discovered by a team of scientists led by Albert Ghiorso in 1952 while studying the composition of radioactive debris from the detonation of the first hydrogen bomb. [19] The isotopes synthesized were einsteinium-253, with a half-life of 20.5 days, and fermium-255 , with a half-life of about 20 hours.
Georgii Nikolayevich Flyorov (also spelled Flerov, [1] Russian: Гео́ргий Никола́евич Флёров, IPA: [gʲɪˈorgʲɪj nʲɪkɐˈlajɪvʲɪtɕ ˈflʲɵrəf]; 2 March 1913 – 19 November 1990) was a Soviet physicist who is known for his discovery of spontaneous fission and his important contribution towards the crystallography and material science, for which, he was ...