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What type of radiation is emitted during alpha decay?

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Question: What type of radiation is emitted during alpha decay?

Options:

  1. Electrons
  2. Helium nuclei
  3. Gamma rays
  4. Neutrons

Correct Answer: Helium nuclei

Solution: 

During alpha decay, helium nuclei (alpha particles) are emitted from the nucleus.

What type of radiation is emitted during alpha decay?

Practice Questions

Q1
What type of radiation is emitted during alpha decay?
  1. Electrons
  2. Helium nuclei
  3. Gamma rays
  4. Neutrons

Questions & Step-by-Step Solutions

What type of radiation is emitted during alpha decay?
Correct Answer: Alpha particles
  • Step 1: Understand what alpha decay is. It is a type of radioactive decay.
  • Step 2: Know that during alpha decay, the nucleus of an atom loses particles.
  • Step 3: Identify the particles that are lost. In alpha decay, the particles lost are called alpha particles.
  • Step 4: Recognize that an alpha particle is actually a helium nucleus, which consists of 2 protons and 2 neutrons.
  • Step 5: Conclude that during alpha decay, helium nuclei (alpha particles) are emitted from the nucleus.
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