An isotope with 6 protons and 8 neutrons is Carbon-14 (14C).
The element with 6 protons is carbon. To find the isotope with 8 neutrons, you can subtract the number of protons (6) from the total number of nucleons (protons + neutrons). Therefore, the isotope with 6 protons and 8 neutrons is carbon-14 (written as C-14).
