James Chadwick — Questions and answers

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What was James Chadwick's bold idea about the unknown particle?

Choices

  1. A. It was a charged particle much smaller than a proton.
  2. B. It was a particle with no charge and a mass similar to a proton. ✓
  3. C. It was a proton that had lost its energy.
  4. D. It was a very powerful type of light.

Answer: B. It was a particle with no charge and a mass similar to a proton.

From page 5

What did James Chadwick name the new particle he discovered?

Choices

  1. A. The proton.
  2. B. The electron.
  3. C. The neutron. ✓
  4. D. The alpha particle.

Answer: C. The neutron.

From page 7

What award did James Chadwick receive in 1935 for discovering the neutron?

Choices

  1. A. The Nobel Peace Prize.
  2. B. The Nobel Prize in Physics. ✓
  3. C. A medal for bravery.
  4. D. The Scientific Achievement Award.

Answer: B. The Nobel Prize in Physics.

From page 10