What is the composition of the nucleus of an atom?
A B C D
ions and electrons electrons and protons protons and neutrons neutrons and electrons
Question: What is the composition of the nucleus of an atom?
(A) ions and electrons
(B) electrons and protons
(C) protons and neutrons
(D) neutrons and electrons

Answer: (C) protons and neutrons
Answer: (A) ions and electrons
Question: What is the composition of the nucleus of an atom?
(A) ions and electrons
(B) electrons and protons
(C) protons and neutrons
(D) neutrons and electrons
Answer: (C) protons and neutrons