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  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison. As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium.

  3. Wikipedia:WikiProject Elements/Isotope tables/Element 111-118

    en.wikipedia.org/.../Isotope_tables/Element_111-118

    This page was last edited on 31 December 2023, at 11:13 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  4. Oganesson - Wikipedia

    en.wikipedia.org/wiki/Oganesson

    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.

  5. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...

  6. Isotopes of oganesson - Wikipedia

    en.wikipedia.org/wiki/Isotopes_of_oganesson

    The discovery of element 118 was announced in 2006. [ 2 ] Because of the very small fusion reaction probability (the fusion cross section is roughly 0.3–0.6 pb ), the experiment took four months and involved a beam dose of 2.5 × 10 19 calcium ions that had to be shot at the californium target to produce the first recorded event believed to ...

  7. Synthetic element - Wikipedia

    en.wikipedia.org/wiki/Synthetic_element

    The synthetic elements are those with atomic numbers 95–118, as shown in purple on the accompanying periodic table: [1] these 24 elements were first created between 1944 and 2010. The mechanism for the creation of a synthetic element is to force additional protons into the nucleus of an element with an atomic number lower than 95.

  8. Ununennium - Wikipedia

    en.wikipedia.org/wiki/Ununennium

    This is an accepted version of this page This is the latest accepted revision, reviewed on 5 March 2025. Theoretical chemical element with atomic number 119 (Uue) Ununennium, 119 Uue Theoretical element Ununennium Pronunciation / ˌ uː n. uː n ˈ ɛ n i ə m / ⓘ (OON -oon- EN -ee-əm) Alternative names element 119, eka-francium Ununennium in the periodic table Hydrogen Helium Lithium ...

  9. Superheavy element - Wikipedia

    en.wikipedia.org/wiki/Superheavy_element

    In particular, the large 7p splitting results in an effective shell closure at flerovium (element 114) and a hence much higher than expected chemical activity for oganesson (element 118). [7] Oganesson is the last known element. The next two elements, 119 and 120, should form an 8s series and be an alkali and alkaline earth metal respectively.