A. To store electrons
B. To contain protons and neutrons
C. To facilitate chemical reactions
D. To provide energy
Answer: To contain protons and neutrons
A. To store electrons
B. To contain protons and neutrons
C. To facilitate chemical reactions
D. To provide energy
Answer: To contain protons and neutrons
Additional Information: The nucleus contains protons and neutrons, which contribute to an atom's mass.
Subjects: Atomic Structure, Chemistry