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In the Bohr model of the hydrogen atom, what is the radius of the first orbit?

Practice Questions

Q1
In the Bohr model of the hydrogen atom, what is the radius of the first orbit?
  1. 0.0529 nm
  2. 0.1 nm
  3. 0.529 nm
  4. 0.529 pm

Questions & Step-by-Step Solutions

In the Bohr model of the hydrogen atom, what is the radius of the first orbit?
  • Step 1: Understand that the Bohr model describes how electrons orbit the nucleus of an atom.
  • Step 2: Know that the first orbit is the closest orbit to the nucleus.
  • Step 3: Remember that the radius of the first orbit in the Bohr model for hydrogen is a specific value.
  • Step 4: The radius of the first orbit is calculated to be 0.529 Å (angstroms).
  • Step 5: Convert angstroms to nanometers if needed: 1 Å = 0.1 nm, so 0.529 Å = 0.0529 nm.
  • Step 6: Conclude that the radius of the first orbit in the Bohr model is 0.529 Å or 0.0529 nm.
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