Input interpretation
group 18 elements | covalent radius
Summary
median | 111 pm highest | 150 pm (radon) lowest | 28 pm (helium) distribution | | (based on 6 values; 1 unavailable)
Entity with missing value
oganesson
Ranked values
| | visual | ratios | 6 | helium | | 0.19 | 1 5 | neon | | 0.39 | 2.1 4 | argon | | 0.71 | 3.8 3 | krypton | | 0.77 | 4.1 2 | xenon | | 0.93 | 5 1 | radon | | 1 | 5.4
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
atomic radius (calculated) | median | 80 pm | highest | 120 pm (radon) | lowest | 31 pm (helium) | distribution | covalent radius | median | 111 pm | highest | 150 pm (radon) | lowest | 28 pm (helium) | distribution | van der Waals radius | median | 188 pm | highest | 216 pm (xenon) | lowest | 140 pm (helium) | distribution |
Units
Covalent radius rankings
1 | helium | 28 pm 2 | neon | 58 pm 3 | argon | 106 pm 4 | krypton | 116 pm 5 | xenon | 140 pm 6 | radon | 150 pm (based on 6 values; 1 unavailable)
Unit conversions for median covalent radius 111 pm
0.111 nm (nanometers)
1.11×10^-10 meters
4.37×10^-9 inches
1.11 Å (ångströms)
Comparisons for median covalent radius 111 pm
≈ 3.6 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
≈ 4.4 × atomic radius of hydrogen ( ≈ 25 pm )