Bohr Radius Calculator
Compute nth orbit radius r_n = n² a₀, a₀ ≈ 5.29×10⁻¹¹ m.
Input Data
Input Principal quantum n.
Results
0m
r_n = n² a₀ = 1² × 5.29e-11 = 5.2918e-11 m
At a glance:Bohr Radius Calculator: enter parameters to compute results; complements related calculators.
Formula
r_n = n² a₀
a₀ = 4π ε₀ ħ²/(m_e e²) ≈ 5.29177×10⁻¹¹ m
How to Use
- Enter principal quantum number n.
- Get nth orbit radius r_n.
Case Studies
Ground state n=1
r₁ = a₀ ≈ 5.29×10⁻¹¹ m.
FAQ
Applicability?
Approximate for hydrogen and hydrogen-like ions; multi-electron needs correction.
Related Tools
References
Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.