Bohr radius Calculator

The Bohr radius, denoted as , is a fundamental physical constant in quantum mechanics that represents the most probable distance between the nucleus and the electron in a hydrogen atom or a hydrogen-like ion in its ground state.

Where:

  • is the Bohr radius,
  • is the vacuum permittivity (electric constant),
  • is the reduced Planck constant,
  • is the electron mass,
  • is the elementary charge.

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