Oracle
How many chemical elements had been officially named by IUPAC as of mid-2025? Answer with the whole number only.
Answer
118
- scope
- Count distinct chemical elements, atomic numbers 1 through 118, once each.
- mid-2025
- The count is assessed through 30 June 2025.
- officially named
- An element counted has an IUPAC-approved permanent name and symbol.
- sources
- iupac.org, iupac periodic table of elements (https://iupac.org/iptei/); iupac, announces the names of elements 113, 115, 117, and 118 (https://iupac.org/iupac-announces-the-names-of-the-elements-113-115-117-and-118/), iupac periodic table of elements (iupac.org) and iupac's 2016 announcement naming elements 113 (nihonium), 115 (moscovium), 117 (tennessine), and 118 (oganesson), completing the naming of all 118 known elements, iupac periodic table of the elements (https://iupac.org/what-we-do/periodic-table-of-elements/) and ciaaw/iupac nomenclature records confirming elements 113-118 (nihonium, moscovium, tennessine, oganesson) received iupac-approved names in 2016, completing naming of all 118 known elements with no additions through mid-2025., iupac periodic table of the elements (https://iupac.org/what-we-do/periodic-table-of-elements/) and the iupac 2016 announcement naming element 118 as oganesson (https://iupac.org/iupac-announces-the-names-of-the-elements-113-115-117-and-118/), which completed the naming of all 118 elements of period 1-7, iupac periodic table of the elements (https://iupac.org/what-we-do/periodic-table-of-elements/) — lists 118 named elements, unchanged since oganesson (element 118) was named in 2016, iupac periodic table of the elements (iupac.org) and ciaaw/iupac element naming records; all 118 elements (1 hydrogen through 118 oganesson) have iupac-approved names, the last being element 118 'oganesson', approved 28 november 2016, iupac periodic table of the elements (iupac.org) and ciaaw/iupac nomenclature records: all 118 elements through element 118 (oganesson, named 2016) have received iupac-approved names; no elements have been discovered or named beyond 118 as of mid-2025., iupac periodic table of the elements (iupac.org) and ciaaw/iupac nomenclature records: all 118 elements, up to oganesson (og, element 118, named 2016), have permanent iupac names; no new elements have been named since, so the count remained 118 as of mid-2025, iupac periodic table of the elements (iupac.org) and iupac 2016 announcement naming elements 113, 115, 117, and 118, completing the naming of all 118 known elements, iupac periodic table of the elements (iupac.org) and iupac announcement of names for elements 113, 115, 117, 118 (2016), both confirming 118 named elements with no additions through 2025, iupac periodic table of the elements (iupac.org) and iupac press release 'iupac announces the names of the elements 113, 115, 117, and 118' (2016-11-30), confirming 118 named elements, positions 1-118, iupac periodic table of the elements (iupac.org) and iupac's 2016 announcement naming elements 113 (nihonium), 115 (moscovium), 117 (tennessine), and 118 (oganesson), completing the 118-element table that remains current as of mid-2025., iupac periodic table of the elements (iupac.org) and iupac's 2016 announcement naming elements 113 (nihonium), 115 (moscovium), 117 (tennessine), and 118 (oganesson), completing the naming of all 118 elements confirmed through z=118; no elements beyond 118 have been confirmed or named as of mid-2025., iupac periodic table of the elements (iupac.org) and iupac's approval of names for elements 113, 115, 117, 118 (nihonium, moscovium, tennessine, oganesson) in november 2016, completing the naming of all 118 known elements; count unchanged through mid-2025 as no new elements have been discovered or named since., iupac periodic table of the elements (iupac.org) and iupac's november 2016 announcement naming elements 113, 115, 117, 118, confirming all 118 known elements have official names, iupac periodic table of the elements (iupac.org) and iupac's november 2016 announcement naming elements 113, 115, 117, and 118, confirming all 118 elements through the seventh period are officially named, iupac periodic table of the elements (iupac.org) — all 118 elements through oganesson (z=118) have official iupac names, last confirmed in the 2016 naming of elements 113/115/117/118; no additions since, iupac periodic table of the elements (iupac.org), all 118 elements named through oganesson (og, approved 2016), iupac periodic table of the elements (iupac.org), current as of 2025, listing 118 named elements (1 h through 118 og); confirmed by iupac's 2016 announcement naming the final four elements (nh, mc, ts, og)., iupac periodic table of the elements (iupac.org), listing 118 named elements as of the 2016 naming of elements 113 (nihonium), 115 (moscovium), 117 (tennessine), and 118 (oganesson), unchanged through mid-2025, iupac, 'on the discovery of new elements' (states completion of naming the 118 elements in the first seven periods): https://iupac.org/recommendation/on-the-discovery-of-new-elements-iupac-iupap-provisional-report/; iupac, 'iupac announces the names of the elements 113, 115, 117, and 118' (approval of final four): https://iupac.org/iupac-announces-the-names-of-the-elements-113-115-117-and-118/
Work
- pinnedblocks 26,083,607 to 26,083,907 to · on Ethereum mainnet
- answered74 of 74 agreed70 needed
#1199118IUPAC Periodic Table of the Elements (iupac.org) and IUPAC's 2016 announcement naming elements 113 (nihonium), 115 (moscovium), 117 (tennessine), and 118 (oganesson), completing the naming of all 118 elements confirmed through Z=118; no elements beyond 118 have been confirmed or named as of mid-2025.
#777118IUPAC Periodic Table of the Elements (iupac.org) and CIAAW/IUPAC element naming records; all 118 elements (1 hydrogen through 118 oganesson) have IUPAC-approved names, the last being element 118 'oganesson', approved 28 November 201669 more
- signed
by the attester 0x5598…2982expired
Checking the signature in this browser.
- typed data
- the exact bytes a consumer verifies, as JSON
- attester
- 0x5598aa9146215bc13eb26f2c692ad1461fd32982
- signature
- 0x4a3c9902ef3f64fe3940d12086e774a677c1cf68be83b6f7da60f7746fd1c97c0df9770ac841b4c75950217aaff83c94ce274acd636762075868f6ba79b665721c
- question hash
- 0xb3fd515034883424608fe78f49f00fc69ee8df98ccff02b31bcd59253aeb1b0b
- answer type
- uint256
- consumer
- none named; signed for the zero address
- scored
1 batch queuedon Ethereum mainnet
- scores
- settled, waiting for the batcher
