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In a hydrogen atom, what is the energy of the electron in the ground state?

Practice Questions

Q1
In a hydrogen atom, what is the energy of the electron in the ground state?
  1. -13.6 eV
  2. -3.4 eV
  3. -1.51 eV
  4. 0 eV

Questions & Step-by-Step Solutions

In a hydrogen atom, what is the energy of the electron in the ground state?
Correct Answer: -13.6 eV
  • Step 1: Understand that a hydrogen atom has one electron and one proton.
  • Step 2: The ground state is the lowest energy level of the electron in the atom.
  • Step 3: The energy of the electron in the ground state is calculated using a formula from quantum mechanics.
  • Step 4: The formula for the energy of the electron in the ground state of hydrogen is E = -13.6 eV.
  • Step 5: The negative sign indicates that the electron is bound to the nucleus and has less energy than a free electron.
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