What is the difference between the isotopes carbon−12 and carbon−14?

Answer options with 5 options
A.
one electron and one proton

B.
one neutron and one proton

C.
two electrons

D.
two protons

E.
two neutrons

1 answer

The correct answer is:

B. one neutron and one proton

Carbon-12 has 6 protons and 6 neutrons, while carbon-14 has 6 protons and 8 neutrons. Therefore, the difference between carbon-12 and carbon-14 is that carbon-14 has two more neutrons than carbon-12.