Input interpretation
halogens | covalent radius
Summary
median | 120 pm highest | 150 pm (astatine) lowest | 57 pm (fluorine) distribution | | (based on 5 values; 1 unavailable)
Entity with missing value
tennessine
Ranked values
| | visual | ratios | 5 | fluorine | | 0.38 | 1 4 | chlorine | | 0.68 | 1.8 3 | bromine | | 0.8 | 2.1 2 | iodine | | 0.93 | 2.4 1 | astatine | | 1 | 2.6
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
atomic radius (empirical) | median | 108 pm | highest | 140 pm (iodine) | lowest | 50 pm (fluorine) | distribution | atomic radius (calculated) | median | 94 pm | highest | 127 pm (astatine) | lowest | 42 pm (fluorine) | distribution | covalent radius | median | 120 pm | highest | 150 pm (astatine) | lowest | 57 pm (fluorine) | distribution | van der Waals radius | median | 180 pm | highest | 198 pm (iodine) | lowest | 147 pm (fluorine) | distribution |
Units
Covalent radius rankings
1 | fluorine | 57 pm 2 | chlorine | 102 pm 3 | bromine | 120 pm 4 | iodine | 139 pm 5 | astatine | 150 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 )