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What is the main limitation of the Rutherford model of the atom? (2019)

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Question: What is the main limitation of the Rutherford model of the atom? (2019)

Options:

  1. It does not explain the stability of atoms
  2. It does not account for neutrons
  3. It cannot explain spectral lines
  4. It does not include electrons

Correct Answer: It does not explain the stability of atoms

Exam Year: 2019

Solution: 

The Rutherford model fails to explain why electrons do not spiral into the nucleus, thus not accounting for atomic stability.

What is the main limitation of the Rutherford model of the atom? (2019)

Practice Questions

Q1
What is the main limitation of the Rutherford model of the atom? (2019)
  1. It does not explain the stability of atoms
  2. It does not account for neutrons
  3. It cannot explain spectral lines
  4. It does not include electrons

Questions & Step-by-Step Solutions

What is the main limitation of the Rutherford model of the atom? (2019)
  • Step 1: Understand that the Rutherford model describes the atom as having a small, dense nucleus surrounded by electrons.
  • Step 2: Recognize that electrons are negatively charged and are attracted to the positively charged nucleus.
  • Step 3: Realize that according to classical physics, an electron in orbit around the nucleus should lose energy and spiral inward.
  • Step 4: Note that if electrons spiraled into the nucleus, atoms would not be stable and would collapse.
  • Step 5: Conclude that the Rutherford model does not explain why electrons remain in stable orbits and do not fall into the nucleus.
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