Answer:
it is actually b because i did this i picked b and got it right
Explanation:
Atomic number or the number of protons in the element.
Carbon-13 has 7 neutrons and carbon-12 has 6 neutrons. Carbon-12 is the most common isotope of carbon. Carbon-14 is radioactive and very rare. The symbols for the isotopes of carbon atoms shown here indicate they each have six protons but mass numbers of 14, 13 and 12.
Answer:
I have no idea what you mean.
Explanation: