A. electrons, neutrons and protons
B. electrons and protons
C. protons and neutrons
D. orbital electrons
E. valence electrons
Correct Answer:
Option C – protons and neutrons
A. electrons, neutrons and protons
B. electrons and protons
C. protons and neutrons
D. orbital electrons
E. valence electrons
Correct Answer:
Option C – protons and neutrons
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