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What is the primary type of decay for an unstable nucleus with too many protons?

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Question: What is the primary type of decay for an unstable nucleus with too many protons?

Options:

  1. Alpha decay
  2. Beta decay
  3. Gamma decay
  4. Positron emission

Correct Answer: Alpha decay

Solution: 

An unstable nucleus with too many protons typically undergoes alpha decay, where it emits an alpha particle (2 protons and 2 neutrons) to become more stable.

What is the primary type of decay for an unstable nucleus with too many protons?

Practice Questions

Q1
What is the primary type of decay for an unstable nucleus with too many protons?
  1. Alpha decay
  2. Beta decay
  3. Gamma decay
  4. Positron emission

Questions & Step-by-Step Solutions

What is the primary type of decay for an unstable nucleus with too many protons?
  • Step 1: Understand that an unstable nucleus has too many protons, making it unbalanced.
  • Step 2: Recognize that to become more stable, the nucleus needs to reduce the number of protons.
  • Step 3: Learn that one way to reduce protons is through a process called alpha decay.
  • Step 4: In alpha decay, the nucleus emits an alpha particle, which consists of 2 protons and 2 neutrons.
  • Step 5: After emitting the alpha particle, the nucleus has fewer protons and becomes more stable.
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