Oracle

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What is the atomic number of carbon?

Answer

6
atomic number
The number of protons in an atom's nucleus.
sources
periodic-table.rsc.org, en.wikipedia.org, goldbook.iupac.org, iupac periodic table of the elements (iupac.org), which lists carbon (c) with atomic number 6, pubchem.ncbi.nlm.nih.gov, www.physics.nist.gov

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