What is the significance of the mass defect in a nucleus? (2023)

Practice Questions

Q1
What is the significance of the mass defect in a nucleus? (2023)
  1. It indicates the stability of the nucleus
  2. It is the mass of the nucleus
  3. It is the mass of the electrons
  4. It has no significance

Questions & Step-by-Step Solutions

What is the significance of the mass defect in a nucleus? (2023)
  • Step 1: Understand that a nucleus is made up of protons and neutrons, which are called nucleons.
  • Step 2: Know that if you add up the masses of all the individual nucleons, you get a certain total mass.
  • Step 3: Measure the actual mass of the nucleus, which is usually less than the total mass of the individual nucleons.
  • Step 4: The difference between the total mass of the nucleons and the actual mass of the nucleus is called the mass defect.
  • Step 5: The mass defect is important because it shows how much mass has been converted into energy when the nucleus was formed.
  • Step 6: This energy is known as binding energy, which helps hold the nucleus together and indicates its stability.
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