How many nuetrons are there in carbon-12?

Answer 1

Carbon-12 contains 6 Neutrons, 6 Electrons and 6 Protons. It is the most common isotope of Carbon ( over 98% )

Answer 2

There are 6 neutrons in carbon-12. Carbon-12 has an atomic number of 6, which indicates the number of protons in its nucleus. The sum of protons and neutrons gives the Atomic Mass of an element, so carbon-12 has a total of 12 nucleons. Subtracting the 6 protons gives the number of neutrons.