Input interpretation
chalcogens | covalent radius
Summary
median | 120 pm highest | 140 pm (polonium) lowest | 66 pm (oxygen) distribution | | (based on 5 values; 1 unavailable)
Entity with missing value
livermorium
Ranked values
| | visual | ratios | 5 | oxygen | | 0.47 | 1 4 | sulfur | | 0.75 | 1.6 3 | selenium | | 0.86 | 1.8 2 | tellurium | | 0.99 | 2.1 1 | polonium | | 1 | 2.1
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
atomic radius (empirical) | median | 115 pm | highest | 190 pm (polonium) | lowest | 60 pm (oxygen) | distribution | atomic radius (calculated) | median | 103 pm | highest | 135 pm (polonium) | lowest | 48 pm (oxygen) | distribution | covalent radius | median | 120 pm | highest | 140 pm (polonium) | lowest | 66 pm (oxygen) | distribution | van der Waals radius | median | 185 pm | highest | 206 pm (tellurium) | lowest | 152 pm (oxygen) | distribution |
Units
Covalent radius rankings
1 | oxygen | 66 pm 2 | sulfur | 105 pm 3 | selenium | 120 pm 4 | tellurium | 138 pm 5 | polonium | 140 pm (based on 5 values; 1 unavailable)
Unit conversions for median covalent radius 120 pm
0.12 nm (nanometers)
1.2×10^-10 meters
4.72×10^-9 inches
1.2 Å (ångströms)
Comparisons for median covalent radius 120 pm
≈ 3.9 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
≈ 4.8 × atomic radius of hydrogen ( ≈ 25 pm )