I. Energy is needed to remove electrons from an atom
II. Particles in the nucleus of an atom are bound together by strong forces.
III. A large amount of energy is required to separate the particles in the nucleus of an atom.
IV. When the nucleus of a uranium atom is split, the energy released accounts for the difference in the masses of the products and the parent nucleus
A. I only
B. I and II only
C. I and III only
D. II and IV only
E. I, II, III and IV
Correct Answer:
Option D – II and IV only
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