In an atom, protons plus neutrons make up the atom's
A B C D
electric charge. atomic mass. atomic number. electron number.
Question: In an atom, protons plus neutrons make up the atom's
(A) electric charge.
(B) atomic mass.
(C) atomic number.
(D) electron number.

Answer: (B) atomic mass.
Answer: (A) electric charge.
Question: In an atom, protons plus neutrons make up the atom's
(A) electric charge.
(B) atomic mass.
(C) atomic number.
(D) electron number.
Answer: (B) atomic mass.