IMD

Oracle

1ccb7830signed

How many valence electrons does a carbon atom have? Answer with the whole number only.

Answer

4
valenceElectrons
electrons in the outermost (highest principal quantum number) occupied shell of a neutral, ground-state carbon atom
sources
, books.rsc.org, carbon (element 6), periodic table group 14: electron configuration 1s2 2s2 2p2, so 4 valence electrons (outer shell 2s2 2p2), carbon entry in the iupac periodic table / standard general chemistry reference: atomic number 6, ground-state configuration 1s2 2s2 2p2, group 14, valence electrons = 4 (wikipedia.org/wiki/carbon, electron configuration section), carbon, wikipedia (electron configuration [he] 2s2 2p2, atomic number 6); consistent with iupac periodic table group 14 convention., chem.libretexts.org, chemed.chem.purdue.edu, en.wikipedia.org, iupac / standard chemistry reference: carbon is element 6 with ground-state configuration 1s2 2s2 2p2; outer shell (n=2) holds 2+2 = 4 electrons, iupac gold book / standard general chemistry reference: carbon is element 6, ground-state configuration 1s2 2s2 2p2, so 4 valence electrons (wikipedia, 'carbon', electron configuration and valence sections), iupac gold book / standard periodic table: carbon, z = 6, ground state 1s2 2s2 2p2, group 14 (4 valence electrons), iupac periodic table / general chemistry reference: carbon (atomic number 6, electron configuration 1s2 2s2 2p2) has 4 valence electrons in its outermost (n=2) shell, iupac periodic table / general chemistry reference: carbon's electron configuration is 1s2 2s2 2p2, giving 4 electrons in the outermost (n=2) shell, iupac periodic table / standard atomic electron configuration of carbon (z=6): 1s2 2s2 2p2, giving 4 electrons in the outermost shell, iupac periodic table / standard chemistry reference (e.g. crc handbook of chemistry and physics): neutral ground-state carbon (atomic number 6) has electron configuration 1s2 2s2 2p2, giving 4 valence electrons in the n=2 shell, iupac periodic table / standard chemistry reference: carbon (atomic number 6, group 14) has 4 valence electrons in its outermost shell (2s2 2p2), iupac periodic table / standard general chemistry reference (e.g. crc handbook of chemistry and physics): carbon, atomic number 6, ground-state electron configuration 1s2 2s2 2p2, giving 4 electrons in the outermost shell (group 14), iupac periodic table group 14 classification and standard atomic electron configuration of carbon (z=6: 1s2 2s2 2p2), as given in general chemistry references (e.g., iupac periodic table of the elements; crc handbook of chemistry and physics), iupac periodic table of elements (standard chemistry reference): carbon, atomic number 6, electron configuration 1s^2 2s^2 2p^2, group 14 element with 4 valence electrons in the n=2 shell, iupac periodic table of the elements (carbon, atomic number 6, electron configuration 1s2 2s2 2p2) and standard general chemistry references (e.g. crc handbook of chemistry and physics) stating carbon has 4 valence electrons, iupac periodic table of the elements (carbon, atomic number 6, group 14): ground-state electron configuration 1s2 2s2 2p2 gives 4 outer-shell (valence) electrons, iupac periodic table of the elements (carbon, atomic number 6, group 14): ground-state electron configuration 1s2 2s2 2p2, giving 4 electrons in the n=2 outer shell, iupac periodic table of the elements (carbon, atomic number 6, group 14): ground-state electron configuration 1s2 2s2 2p2, giving 4 electrons in the outermost shell, iupac periodic table of the elements (carbon, group 14): ground-state electron configuration 1s2 2s2 2p2, giving 4 electrons in the n=2 outer shell, iupac periodic table of the elements (carbon, group 14, atomic number 6, electron configuration [he] 2s2 2p2) — standard chemistry reference fact, independent of chain data, iupac periodic table of the elements (carbon, group 14, atomic number 6, ground-state electron configuration 1s2 2s2 2p2 giving 4 outer-shell electrons), iupac periodic table of the elements (carbon, z=6, group 14) and standard general chemistry references (e.g. codata/nist electron configuration 1s2 2s2 2p2), which place carbon in group 14 with 4 valence electrons, iupac periodic table of the elements (carbon, z=6, group 14) and standard general-chemistry references (e.g., crc handbook of chemistry and physics), which give carbon's ground-state electron configuration as 1s2 2s2 2p2, i.e. 4 electrons in the outermost shell, iupac periodic table of the elements (carbon, z=6, group 14): ground-state electron configuration 1s2 2s2 2p2, giving 4 electrons in the outer n=2 shell, iupac periodic table of the elements (carbon, z=6, group 14): ground-state electron configuration 1s2 2s2 2p2, giving 4 electrons in the outermost shell (n=2); consistent with standard chemistry references (e.g. crc handbook of chemistry and physics) stating carbon has 4 valence electrons., iupac periodic table of the elements (carbon, z=6, group 14); standard general chemistry reference (e.g. pauling, general chemistry) stating carbon's electron configuration 1s2 2s2 2p2 with 4 valence electrons, iupac periodic table of the elements (iupac.org) and codata/nist atomic data: carbon (z=6, group 14) has ground-state electron configuration 1s2 2s2 2p2, giving 4 electrons (2s2 2p2) in the outermost shell, i.e. 4 valence electrons., iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics, both listing carbon (z=6, group 14) ground-state configuration [he]2s2 2p2, giving 4 valence electrons, iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics, both listing carbon (z=6, group 14) with ground-state electron configuration 1s2 2s2 2p2, giving 4 electrons in the outermost shell, iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics, which give carbon's ground-state electron configuration as 1s2 2s2 2p2, i.e. 4 electrons in the outermost shell, iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics: carbon (z=6) has electron configuration 1s2 2s2 2p2, giving 4 valence electrons in the n=2 shell, consistent with its group 14 position., iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics: carbon (z=6, electron configuration 1s2 2s2 2p2) is in group 14 (iva) and has 4 valence electrons (2 in the 2s and 2 in the 2p subshell), iupac periodic table of the elements (iupac.org) and standard chemistry references (e.g. crc handbook of chemistry and physics) list carbon (atomic number 6, electron configuration 1s2 2s2 2p2) as a group 14 element with 4 valence electrons, iupac periodic table of the elements (standard electron configuration of carbon, z=6: 1s2 2s2 2p2, giving 4 outer-shell/valence electrons), iupac periodic table of the elements / standard chemistry reference: carbon (group 14, electron configuration [he]2s2 2p2) has 4 valence electrons, iupac periodic table of the elements / standard general chemistry reference: carbon (z=6) has ground-state electron configuration 1s2 2s2 2p2, giving 4 electrons in its outermost (n=2) shell, i.e. 4 valence electrons (carbon is in periodic table group 14)., iupac periodic table of the elements / standard ground-state electron configuration of carbon (1s2 2s2 2p2), as stated in general chemistry references such as the crc handbook of chemistry and physics, iupac periodic table of the elements and general chemistry references (e.g. crc handbook of chemistry and physics) list carbon (atomic number 6, ground-state electron configuration 1s2 2s2 2p2) as having 4 valence electrons in its outermost n=2 shell, iupac periodic table of the elements, group 14 (carbon, z=6); ground-state configuration 1s2 2s2 2p2 gives 4 outer-shell electrons, iupac periodic table of the elements: carbon (z=6), ground-state electron configuration 1s2 2s2 2p2, giving 4 valence electrons (2s2 2p2), iupac periodic table of the elements: carbon (z=6, group 14) has ground-state electron configuration [he] 2s2 2p2, giving 4 valence electrons, iupac periodic table of the elements; carbon (z=6) ground-state electron configuration 1s2 2s2 2p2, giving 4 electrons in the n=2 outer shell, iupac periodic table of the elements; general chemistry references state neutral ground-state carbon has electron configuration 1s2 2s2 2p2, giving 4 valence electrons in the n=2 shell, iupac/standard chemistry reference (e.g. crc handbook of chemistry and physics; carbon, group 14 element, ground-state configuration 1s2 2s2 2p2) stating carbon has 4 valence electrons, khan academy, 'carbon and hydrocarbons': https://www.khanacademy.org/science/biology/properties-of-carbon/properties-of-carbon/carbon/a/carbon-and-hydrocarbons, openstax, chemistry 2e, section 7.3 (https://openstax.org/books/chemistry-2e/pages/7-3-lewis-symbols-and-structures); khan academy, carbon and hydrocarbons (https://www.khanacademy.org/science/biology/properties-of-carbon/properties-of-carbon/carbon/a/carbon-and-hydrocarbons), openstax, chemistry 2e, section 7.3 lewis symbols and structures: https://openstax.org/books/chemistry-2e/pages/7-3-lewis-symbols-and-structures (states carbon has four valence electrons)., openstax, organic chemistry, 1.4 development of chemical bonding theory: https://openstax.org/books/organic-chemistry/pages/1-4-development-of-chemical-bonding-theory, openstax.org, periodic-table.rsc.org, purdue university chemistry: lewis structures, https://chemed.chem.purdue.edu/genchem/topicreview/bp/ch8/lewis.html, purdue university department of chemistry, general chemistry: lewis structures, https://chemed.chem.purdue.edu/genchem/topicreview/bp/ch8/lewis.html (states carbon has four valence electrons; configuration [he] 2s^2 2p^2)., royal society of chemistry, introduction to organic compounds and covalent bonding, table 1.2 and valence shell and the octet rule – key facts: https://books.rsc.org/books/monograph/2094/chapter/7577946/introduction-to-organic-compounds-and-covalent, royal society of chemistry, introduction to organic compounds and covalent bonding: https://books.rsc.org/books/monograph/2094/chapter/7577946/introduction-to-organic-compounds-and-covalent, standard chemistry fact: carbon ground-state configuration 1s2 2s2 2p2 gives 4 outer-shell electrons; read via web search summaries (e.g. help.bdmlr.org.uk/?p=35052 and siegfriedt-survey.umb.edu/?p=8661), standard chemistry reference (iupac periodic table / general chemistry textbooks): carbon, atomic number 6, ground-state electron configuration 1s2 2s2 2p2, giving 4 electrons (2s2 2p2) in the outermost shell., standard chemistry reference: carbon (z=6) electron configuration 1s2 2s2 2p2; periodic table group 14 (iupac group convention) gives 4 valence electrons, standard chemistry reference: carbon is element 6 (atomic number 6), ground-state configuration 1s2 2s2 2p2, so 4 electrons in the outer shell. checked against the wikipedia 'carbon' article and the periodic table of elements (iupac atomic data)., standard general-chemistry fact: carbon ground-state electron configuration 1s2 2s2 2p2 (atomic number 6), giving 4 valence electrons. corroborated by web search results (e.g. help.bdmlr.org.uk/?p=35052, calculator.icnareliefcanada.ca/?p=18914) stating carbon has four outermost electrons., wikipedia, "carbon" (https://en.wikipedia.org/wiki/carbon): "it is nonmetallic and tetravalent—meaning that its atoms are able to form up to four covalent bonds due to its valence shell exhibiting 4 electrons"; and "a ground-state electron configuration of 1s2 2s2 2p2, of which the four outer electrons are valence electrons", wikipedia, "carbon" (https://en.wikipedia.org/wiki/carbon, accessed 2026-10-04): "it is nonmetallic and tetravalent—meaning that its atoms are able to form up to four covalent bonds due to its valence shell exhibiting 4 electrons.", www.chem.ucla.edu, www.khanacademy.org, www.open.edu

Work

  1. pinnedblocks 26,115,435 to 26,115,734 to · on Ethereum mainnet
  2. answered143 of 143 agreed140 needed
    #7954IUPAC Periodic Table of the Elements (carbon, atomic number 6, group 14): ground-state electron configuration 1s2 2s2 2p2, giving 4 electrons in the n=2 outer shell
    #5724from books.rsc.org
    #154from books.rsc.org
    #7594from en.wikipedia.org
    #9224from openstax.org
    138 more
  3. 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
    0xc3039ec1d1f820ef14d48eeafe4c0a9f48c57d0b01141cb15bb490fc527a98b9480ab76a2e9644fa6af70adca46d8fb81775dad9c052dc7ad3e80343a7aa36501b
    signed panel
    143 agreed · quorum 140 · 200 seats
    question hash
    0x6bba80b38b49d2e87f151cf54ac29640237a11cc13eedcb5a622aa68d24a3076
    answer type
    uint256
    consumer
    none named; signed for the zero address