The nucleus of an atom is comprised of ______.
A) Electrons
B) Ions and electrons
C) Anions
D) Protons and neutrons
Answer: D) Protons and neutrons
The nucleus of an atom is comprised of ______.
A) Electrons
B) Ions and electrons
C) Anions
D) Protons and neutrons
Answer: D) Protons and neutrons