just put the answers

3. Carbon-14 is an isotope: A. it has the same number of protons and electrons as Carbon-12, but a different number of neutrons B. It has the same number of protons and neutrons as Carbon-12, but a different number of electrons. C. it has a different number of protons thanCarbon-12 D. it is not an isotope of Carbon-12 4. The atomic number is equivalent to which of the following? A. The number of nucleons in the atom. B. The number of protons in the atom. C. The number of neutrons in the atom. D. None of the above