Which of the following statements about the atom is/are correct? I. Energy is needed to...
PHYSICS
WAEC 1990
Which of the following statements about the atom is/are correct? 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
Correct Answer: D. II and IV only
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