Respuesta :
Answer: The term is Mass number.
Explanation:
Atomic number is defined as the number of protons or number of electrons present in an atom. It is represented as Z.
Z = Number of protons = Number of electrons
Mass number is defined as the sum of number of protons and neutrons in an atom. It is represented as A.
A = Number of proton + Number of neutrons
Hence, the correct answer is Mass number.
