I have homework about Protons, Electrons, and Neutrons
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Explanation:
1.from the question: an atom that have a proton number of 6 also have it atomic number to be 6
2.carbon has atomic number to be 6
3.mass=proton+neutron
=6+7=13
4.isotope of carbon13 are carbon 12 and carbon 14(used in archaeology)