Input interpretation
period 4 elements | van der Waals radius
Summary
median | 185 pm highest | 275 pm (potassium) lowest | 139 pm (zinc) distribution | | (based on 9 values; 9 unavailable)
Entities with missing values
calcium | scandium | titanium | vanadium | chromium | manganese | iron | cobalt | germanium (total: 9)
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
atomic radius (empirical) | median | 135 pm | highest | 220 pm (potassium) | lowest | 115 pm (3 elements) | distribution | atomic radius (calculated) | median | 150 pm | highest | 243 pm (potassium) | lowest | 88 pm (krypton) | distribution | covalent radius | median | 129 pm | highest | 203 pm (potassium) | lowest | 116 pm (krypton) | distribution | van der Waals radius | median | 185 pm | highest | 275 pm (potassium) | lowest | 139 pm (zinc) | distribution |
Units
Van der Waals radius rankings
1 | zinc | 139 pm 2 | copper | 140 pm 3 | nickel | 163 pm 4 | bromine | 185 pm 5 | arsenic | 185 pm 6 | gallium | 187 pm 7 | selenium | 190 pm 8 | krypton | 202 pm 9 | potassium | 275 pm (based on 9 values; 9 unavailable)
Unit conversions for median van der Waals radius 185 pm
0.185 nm (nanometers)
1.85×10^-10 meters
7.28×10^-9 inches
1.85 Å (ångströms)
Comparisons for median van der Waals radius 185 pm
≈ 6 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
≈ 7.4 × atomic radius of hydrogen ( ≈ 25 pm )