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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 ...
According to the vice-director of JINR, the Dubna team originally wanted to name element 116 moscovium, after the Moscow Oblast in which Dubna is located, [76] but it was later decided to use this name for element 115 instead. The name livermorium and the symbol Lv were adopted on May 23, [77] 2012.
The three elements are promethium (element 61), moscovium (element 115) and tennessine (element 117), which is named after Tennessee. Moscovium is named after Moscow – that will be explained in ...
As a result, element 173 is expected to behave chemically like an alkali metal, and one that might be far more reactive than even caesium (francium and element 119 being less reactive than caesium due to relativistic effects): [90] [19] the calculated ionisation energy for element 173 is 3.070 eV, [91] compared to the experimentally known 3.894 ...
The scientists involved in the discovery of element 118, as well as those of 117 and 115, held a conference call on 23 March 2016 to decide their names. Element 118 was the last to be decided upon; after Oganessian was asked to leave the call, the remaining scientists unanimously decided to have the element "oganesson" after him.
The first report of element 113 was in August 2003, when it was identified as an alpha decay product of element 115. Element 115 had been produced by bombarding a target of americium-243 with calcium-48 projectiles. The JINR–LLNL collaboration published its results in February 2004: [62] 243 95 Am + 48 20 Ca
The half-life of 115 In is very long because the beta decay to 115 Sn is spin-forbidden. [36] Indium-115 makes up 95.7% of all indium. Indium is one of three known elements (the others being tellurium and rhenium) of which the stable isotope is less abundant in nature than the long-lived primordial radioisotopes. [37]
The first letter is always capitalized. While the symbol is often a contraction of the element's name, it may sometimes not match the element's English name; for example, "Pb" for lead (from Latin plumbum) or "W" for tungsten (from German Wolfram). Elements which have only temporary systematic names are given temporary three-letter symbols (e.g ...