Question

Compared to an atom of C-14, an atom of C-12 has a lesser

atomic number

number of protons

number of electrons

number of neutrons

Answer 1

mass number

Step-by-step explanation:

because the mass

1. number is the number of protons plus the number of neutron and the number of proton in an elements is always the same , therefore and atom of C-14 has greater mass number