Input interpretation
elements | van der Waals radius
Summary
median | 180 pm highest | 275 pm (potassium) lowest | 120 pm (hydrogen) distribution | | (based on 38 values; 80 unavailable)
Entities with missing values
beryllium | boron | aluminum | calcium | scandium | titanium | vanadium | chromium | manganese | iron | ... (total: 80)
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
atomic radius (empirical) | median | 145 pm | highest | 260 pm (cesium) | lowest | 25 pm (hydrogen) | distribution | atomic radius (calculated) | median | 165 pm | highest | 298 pm (cesium) | lowest | 31 pm (helium) | distribution | covalent radius | median | 146 pm | highest | 260 pm (francium) | lowest | 28 pm (helium) | distribution | van der Waals radius | median | 180 pm | highest | 275 pm (potassium) | lowest | 120 pm (hydrogen) | distribution |
Units
Distribution plots
(van der Waals radius in picometers)
Van der Waals radius rankings
1 | hydrogen | 120 pm 2 | zinc | 139 pm 3 | copper | 140 pm 4 | helium | 140 pm 5 | fluorine | 147 pm 6 | oxygen | 152 pm 7 | neon | 154 pm 8 | mercury | 155 pm 9 | nitrogen | 155 pm 10 | cadmium | 158 pm ⋮ | | 29 | thallium | 196 pm 30 | iodine | 198 pm 31 | lead | 202 pm 32 | krypton | 202 pm 33 | tellurium | 206 pm 34 | silicon | 210 pm 35 | xenon | 216 pm 36 | tin | 217 pm 37 | sodium | 227 pm 38 | potassium | 275 pm (based on 38 values; 80 unavailable)
Unit conversions for median van der Waals radius 180 pm
0.18 nm (nanometers)
1.8×10^-10 meters
7.09×10^-9 inches
1.8 Å (ångströms)
Comparisons for median van der Waals radius 180 pm
≈ 5.8 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
≈ 7.2 × atomic radius of hydrogen ( ≈ 25 pm )