How many protons, neutrons, and electrons are present in the13c − ion? 1. 7 protons, 6 neutrons, 5 electrons 2. 6 protons, 7 neutrons, 7 electrons 3. 7 protons, 6 neutrons, 6 electrons 4. 7 protons, 7 neutrons, 7 electrons 5. 7 protons, 6 neutrons, 7 electrons 6. 6 protons, 7 neutrons, 6 electrons 7. 6 protons, 7 neutrons, 5 electrons 8. 7 protons, 6 neutrons, 8 electrons 9. 6 protons, 7 neutrons, 8 electrons?