Input interpretation
metalloids | atomic diameter
Summary
median | 250 pm highest | 380 pm (polonium) lowest | 170 pm (boron) distribution | | (based on 7 values; 1 unavailable)
Entity with missing value
tennessine
Ranked values
| | visual | ratios | 7 | boron | | 0.45 | 1 6 | silicon | | 0.58 | 1.3 5 | arsenic | | 0.61 | 1.4 4 | germanium | | 0.66 | 1.5 3 | tellurium | | 0.74 | 1.6 2 | antimony | | 0.76 | 1.7 1 | polonium | | 1 | 2.2
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
atomic radius (empirical) | median | 125 pm | highest | 190 pm (polonium) | lowest | 85 pm (boron) | distribution | atomic radius (calculated) | median | 123 pm | highest | 135 pm (polonium) | lowest | 87 pm (boron) | distribution | covalent radius | median | 120 pm | highest | 140 pm (polonium) | lowest | 84 pm (boron) | distribution | van der Waals radius | median | 206 pm | highest | 210 pm (silicon) | lowest | 185 pm (arsenic) | distribution |
Units
Atomic diameter rankings
1 | boron | 170 pm 2 | silicon | 220 pm 3 | arsenic | 230 pm 4 | germanium | 250 pm 5 | tellurium | 280 pm 6 | antimony | 290 pm 7 | polonium | 380 pm (based on 7 values; 1 unavailable)
Unit conversions for median atomic diameter 250 pm
0.25 nm (nanometers)
2.5×10^-10 meters
9.84×10^-9 inches
2.5 Å (ångströms)
Comparisons for median atomic diameter 250 pm
≈ ( 0.2 ≈ 1/4 ) × carbon nanotube diameter ( ≈ 1 nm )
≈ 0.74 × diameter of a carbon atom ( ≈ 340 pm )
≈ (0.00249 to 3.4) × diameter of a molecule ( 0.74 to 1000 Å )