Input interpretation
group 13 elements | atomic radius
Summary
median | 130 pm highest | 190 pm (thallium) lowest | 85 pm (boron) distribution | | (based on 5 values; 1 unavailable)
Entity with missing value
nihonium
Ranked values
| | visual | ratios | 5 | boron | | 0.45 | 1 4 | aluminum | | 0.66 | 1.5 3 | gallium | | 0.68 | 1.5 2 | indium | | 0.82 | 1.8 1 | thallium | | 1 | 2.2
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
atomic radius (empirical) | median | 130 pm | highest | 190 pm (thallium) | lowest | 85 pm (boron) | distribution | atomic radius (calculated) | median | 136 pm | highest | 156 pm (indium and thallium) | lowest | 87 pm (boron) | distribution | covalent radius | median | 122 pm | highest | 145 pm (thallium) | lowest | 84 pm (boron) | distribution | van der Waals radius | median | 193 pm | highest | 196 pm (thallium) | lowest | 187 pm (gallium) | distribution |
Units
Atomic radius rankings
1 | boron | 85 pm 2 | aluminum | 125 pm 3 | gallium | 130 pm 4 | indium | 155 pm 5 | thallium | 190 pm (based on 5 values; 1 unavailable)
Unit conversions for median atomic radius 130 pm
0.13 nm (nanometers)
1.3×10^-10 meters
5.12×10^-9 inches
1.3 Å (ångströms)
Comparisons for median atomic radius 130 pm
≈ 4.2 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
≈ 5.2 × atomic radius of hydrogen ( ≈ 25 pm )