Answer :
4. Atomic mass
Explanation:
The atomic number is the number of protons which, in a neutral atom, is equal to the number of electrons. The atomic mass is the number of protons + number of neutrons. Therefore the atomic mass is the greatest value.
Explanation:
The atomic number is the number of protons which, in a neutral atom, is equal to the number of electrons. The atomic mass is the number of protons + number of neutrons. Therefore the atomic mass is the greatest value.