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Atomic Structure
Bohr · Quantum · Spectra
Visualization Mode
Bohr
Orbitals
Spectra
Number of shells (n)
4
Element atomic number Z
1 (H)
Orbital speed
1.0×
Orbital type
s orbital (spherical)
pₓ orbital (dumbbell x)
pᵧ orbital (dumbbell y)
d_z² orbital
Probability density
1000
Energy Transitions (Hydrogen)
n=3 → n=1 (UV)
n=3 → n=2 (red)
n=4 → n=2 (blue)
n=5 → n=2 (violet)
Bohr model: E_n = −13.6/n² eV
Each orbit can hold 2n² electrons.
Click a transition to animate photon emission.