IMD

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What is the atomic number of sodium? Answer with the whole number only.

Answer

11
atomicNumber
number of protons in the nucleus of a sodium (Na) atom, as defined by IUPAC's periodic table of elements
sources
, en.wikipedia.org, english wikipedia 'sodium' article, rest summary (https://en.wikipedia.org/api/rest_v1/page/summary/sodium): 'sodium is a chemical element; it has symbol na and atomic number 11', iupac periodic table of the elements (https://iupac.org/what-we-do/periodic-table-of-elements/) and crc handbook of chemistry and physics, both listing sodium (na) with atomic number 11, iupac periodic table of the elements (https://iupac.org/what-we-do/periodic-table-of-elements/) and encyclopaedia britannica entry on sodium (https://www.britannica.com/science/sodium), both stating sodium's atomic number is 11, iupac periodic table of the elements (https://iupac.org/what-we-do/periodic-table-of-elements/) — sodium (na) has atomic number 11, iupac periodic table of the elements (iupac.org) and ciaaw standard atomic weights table, both listing sodium (na) with atomic number 11, iupac periodic table of the elements (iupac.org) and codata/nist periodic table, both of which list sodium (na) with atomic number 11, iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics, both listing sodium (na) atomic number 11, iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics, both listing sodium (na) with atomic number 11, iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics, both of which list sodium (na) with atomic number 11, iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics: sodium (na) has atomic number 11, iupac periodic table of the elements (iupac.org) — sodium (na) has atomic number 11, iupac periodic table of the elements (iupac.org) — sodium (na) is listed with atomic number 11, iupac periodic table of the elements (iupac.org) — sodium (na) listed with atomic number 11, iupac periodic table of the elements (iupac.org), sodium (na) atomic number 11, iupac periodic table of the elements (iupac.org): sodium (na) has atomic number 11, iupac periodic table of the elements / standard chemistry reference (na, z = 11); nacl-free, na is element 11 in the periodic table, iupac periodic table of the elements / wikipedia 'sodium' article (infobox: atomic number 11), iupac periodic table of the elements: sodium (na) has atomic number 11, periodic-table.rsc.org, physics.nist.gov, pubchem, sodium | na (element), https://pubchem.ncbi.nlm.nih.gov/element/11 — states sodium has atomic number 11., 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, sodium: https://periodic-table.rsc.org/element/11/sodium, royal society of chemistry periodic table, sodium: https://periodic-table.rsc.org/element/11/sodium (atomic number: 11), royal society of chemistry, periodic table, sodium: https://periodic-table.rsc.org/element/11/sodium (atomic number: 11), royal society of chemistry, periodic table: sodium (atomic number 11), https://periodic-table.rsc.org/element/11/sodium, royal society of chemistry, periodic table: sodium, https://periodic-table.rsc.org/element/11/sodium (lists atomic number 11), royal society of chemistry, sodium element information: https://periodic-table.rsc.org/element/11/sodium, royal society of chemistry, sodium element information: https://periodic-table.rsc.org/element/11/sodium (atomic number: 11)., royal society of chemistry, sodium element page (atomic number: 11): https://periodic-table.rsc.org/element/11/sodium, wikipedia, "sodium" (https://en.wikipedia.org/wiki/sodium): "sodium is a chemical element; it has symbol na and atomic number 11." verified via the rest summary endpoint, which states "chemical element with atomic number 11 (na)"., wikipedia, 'sodium' article (infobox: atomic number 11, symbol na); cross-checked with pubchem compound record for sodium (cid 5360545, molecularformula na), wikipedia, 'sodium' article, introductory extract (en.wikipedia.org, fetched via the mediawiki api): 'atomic number 11', wikipedia, sodium article, infobox: atomic number (z) 11 (https://en.wikipedia.org/wiki/sodium), www.ciaaw.org, www.nist.gov

Work

  1. pinnedblocks 26,115,432 to 26,115,731 to · on Ethereum mainnet
  2. answered146 of 146 agreed140 needed
    #146811IUPAC Periodic Table of the Elements: sodium (Na) has atomic number 11
    #71211from periodic-table.rsc.org
    #112211IUPAC Periodic Table of the Elements (iupac.org) and CIAAW standard atomic weights table, both listing sodium (Na) with atomic number 11
    #40911from periodic-table.rsc.org
    #49411from periodic-table.rsc.org
    141 more
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