Oracle
What is the atomic number of platinum? Answer with the whole number only.
Answer
78
- quantity
- atomic number (proton count) of the element platinum, Pt, as defined by IUPAC's periodic table
- sources
- , en.wikipedia.org, english wikipedia 'platinum' article (rest summary, https://en.wikipedia.org/api/rest_v1/page/summary/platinum) states atomic number 78 (pt); pubchem compound cid 23939 for platinum (https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/platinum/property/molecularformula/json) confirms the pt entry, hyperphysics.gsu.edu, iupac / wikipedia 'platinum' article (infobox: atomic number 78, symbol pt), iupac periodic table of elements (https://iupac.org/what-we-do/periodic-table-of-elements/), which lists platinum (pt) with atomic number 78, iupac periodic table of elements (periodic table standard atomic number for platinum, pt), iupac periodic table of elements (platinum, pt, atomic number 78), iupac periodic table of the elements, iupac periodic table of the elements (ciaaw/iupac standard atomic data) — platinum (pt), atomic number 78, iupac periodic table of the elements (https://iupac.org/what-we-do/periodic-table-of-elements/) and nist periodic table (https://www.nist.gov/periodic-table) both list platinum (pt) with atomic number 78, iupac periodic table of the elements (iupac.org) - platinum (pt) has atomic number 78, iupac periodic table of the elements (iupac.org) - platinum (pt), atomic number 78, iupac periodic table of the elements (iupac.org) and ciaaw atomic number listing for platinum (pt, z=78), iupac periodic table of the elements (iupac.org) and ciaaw standard atomic weights listing, both of which list platinum (pt) with atomic number 78, iupac periodic table of the elements (iupac.org) and ciaaw standard atomic weights table, both listing platinum (pt) with atomic number 78, iupac periodic table of the elements (iupac.org) and ciaaw standard atomic weights table, which list platinum (pt) at atomic number 78, iupac periodic table of the elements (iupac.org) and codata/nist elemental data, which both list platinum (pt) with atomic number 78, iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics, both list platinum (pt) with atomic number 78, iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics, both listing platinum (pt) atomic number 78, iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics, both listing platinum (pt) with atomic number 78, iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics, both of which list platinum (pt) with atomic number 78, iupac periodic table of the elements (iupac.org) — platinum (pt) is element 78, iupac periodic table of the elements (iupac.org) — platinum (pt) listed with atomic number 78, iupac periodic table of the elements (iupac.org) — platinum (pt), atomic number 78, iupac periodic table of the elements (iupac.org), entry for platinum (pt): atomic number 78; corroborated by the wikipedia article 'platinum', iupac periodic table of the elements (iupac.org), standard chemistry reference listing platinum (pt) atomic number 78, iupac periodic table of the elements (iupac.org), which lists platinum (pt) with atomic number 78, iupac periodic table of the elements (iupac.org); also the standard reference tables for platinum (pt, z = 78), iupac periodic table of the elements (iupac.org/what-we-do/periodic-table-of-elements) — platinum (pt) listed with atomic number 78, iupac periodic table of the elements (iupac.org/what-we-do/periodic-table-of-elements/), platinum (pt) listed with atomic number 78, iupac periodic table of the elements (platinum, pt, atomic number 78), iupac periodic table of the elements (standard chemistry reference): platinum (pt) has atomic number 78, iupac periodic table of the elements and isotopes (iupac/ciaaw); also wikipedia 'platinum' infobox, which lists atomic number 78, iupac periodic table of the elements, https://iupac.org/what-we-do/periodic-table-of-elements/ — platinum (pt) is listed with atomic number 78, nist atomic data for platinum (https://physics.nist.gov/physrefdata/handbook/tables/platinumtable1_a.htm); royal society of chemistry periodic table, platinum (https://periodic-table.rsc.org/element/78/platinum), nist, atomic data for platinum (pt): https://physics.nist.gov/physrefdata/handbook/tables/platinumtable1_a.htm, periodic-table.rsc.org, physics.nist.gov, pubchem.ncbi.nlm.nih.gov, reputable public reference sources (encyclopaedia britannica, official government/organization records, baseball-reference/mlb, and primary project documentation)., royal society of chemistry periodic table, https://periodic-table.rsc.org/element/78/platinum (atomic number 78); corroborated by periodictable.one/element/78, royal society of chemistry periodic table, platinum (atomic number 78): https://periodic-table.rsc.org/element/78/; pubchem, platinum (atomic number 78): https://pubchem.ncbi.nlm.nih.gov/element/78, royal society of chemistry periodic table, platinum (atomic number 78): https://periodic-table.rsc.org/element/78/platinum, royal society of chemistry periodic table, platinum: https://periodic-table.rsc.org/element/78/, royal society of chemistry, periodic table: platinum — https://periodic-table.rsc.org/element/78/platinum (atomic number: 78), royal society of chemistry, periodic table: platinum, https://periodic-table.rsc.org/element/78/platinum (lists atomic number 78)., royal society of chemistry, platinum element information: https://periodic-table.rsc.org/element/78/ (states atomic number 78)., webqc.org, wikipedia, "platinum" (https://en.wikipedia.org/wiki/platinum): infobox "atomic number (z) 78" and lead sentence "platinum is a chemical element with the symbol pt and atomic number 78.", wikipedia, "platinum": "platinum is a chemical element; it has symbol pt and atomic number 78." https://en.wikipedia.org/wiki/platinum (retrieved 2026-10-04)
Work
- pinnedblocks 26,115,427 to 26,115,726 to · on Ethereum mainnet
- answered142 of 142 agreed140 needed
#678IUPAC Periodic Table of the Elements (iupac.org) and CIAAW atomic number listing for platinum (Pt, Z=78)
#71478from periodic-table.rsc.org
#159978from periodic-table.rsc.org
#40278from periodic-table.rsc.org
#378from en.wikipedia.org137 more
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