Bohr energy levels (hydrogenic) (E_n = -13.6 Z²/n² eV)
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E_n = -13.6 Z²/n² eV
What each symbol means
| Symbol | What it stands for |
|---|---|
| Z | Atomic number (nuclear charge in elementary charges) |
| n | Principal quantum number (n = 1, 2, 3, …) |
| E_n | Energy of level n (eV), negative = bound |
When to use this
Non-relativistic hydrogenic atom (single electron) in Bohr model; ignores fine structure.