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This is an accepted version of this page This is the latest accepted revision, reviewed on 22 January 2025. "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 ...
Moscovium (115 Mc) is a synthetic element, and thus a standard atomic weight cannot be given. Like all synthetic elements, it has no known stable isotopes. The first isotope to be synthesized was 288 Mc in 2004. There are five known radioisotopes from 286 Mc to 290 Mc. The longest-lived isotope is 290 Mc with a half-life of 0.65 seconds.
The definition by the IUPAC/IUPAP Joint Working Party (JWP) states that a chemical element can only be recognized as discovered if a nucleus of it has not decayed within 10 −14 seconds. This value was chosen as an estimate of how long it takes a nucleus to acquire electrons and thus display its chemical properties. [21] [d]
Flerovium became the name of element 114; the final name proposed for element 116 was instead livermorium, [97] with moscovium later being proposed and accepted for element 115 instead. [ 98 ] Traditionally, the names of all noble gases end in "-on", with the exception of helium , which was not known to be a noble gas when discovered.
It is expected that moscovium will have an inert-pair effect for both the 7s and the 7p 1/2 electrons, as the binding energy of the lone 7p 3/2 electron is noticeably lower than that of the 7p 1/2 electrons. This is predicted to cause +I to be a common oxidation state for moscovium, although it also occurs to a lesser extent for bismuth and ...
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.
This page uses the meta infobox {{Infobox isotopes (meta)}} for the element isotopes infobox.. This infobox contains the table of § Main isotopes, and the § Standard atomic weight.
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