list the correct answer with explanation from textbook radiologic science for technologists: physics, biology and protection 9th edition and what page it is from

1. The atomic mass number of an atom is given by the number of:

a. Electrons

b. Neutrons

c. Protons

d. Protons plus neutrons

e. Protons plus neutrons plus electrons

2. The atomic number:

a. Has the symbol "A"

b. Has the symbol "N"

c. Is the number of neutrons

d. Is the number of protons plus neutrons

e. No. of protons is in an atom