Input interpretation
radioactive elements | van der Waals radius
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Periodic table location
Periodic table location
Atomic radii properties
atomic radius (empirical) | median | 180 pm | highest | 215 pm (radium) | lowest | 135 pm (technetium) | distribution | atomic radius (calculated) | median | 135 pm | highest | 205 pm (promethium) | lowest | 120 pm (radon) | distribution | covalent radius | median | 190 pm | highest | 260 pm (francium) | lowest | 140 pm (polonium) | distribution |
Units
Van der Waals radius rankings
1 | uranium | 186 pm (based on 1 values; 36 unavailable)
Unit conversions for median van der Waals radius 186 pm
0.186 nm (nanometers)
1.86×10^-10 meters
7.32×10^-9 inches
1.86 Å (ångströms)
Comparisons for median van der Waals radius 186 pm
≈ 6 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
≈ 7.4 × atomic radius of hydrogen ( ≈ 25 pm )