Input interpretation
semiconductors | van der Waals radius
Results
germanium | (unknown) silicon | 210 pm (picometers) tellurium | 206 pm (picometers)
semiconductors | van der Waals radius | 208 pm (picometers) (median) (based on 2 values; 1 unavailable)
Ranked values
| visual | ratios | | comparisons tellurium | | 0.98 | 1 | 2% smaller silicon | | 1 | 1.02 | 2% larger
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
| germanium | silicon | tellurium atomic radius (empirical) | 125 pm | 110 pm | 140 pm atomic radius (calculated) | 125 pm | 111 pm | 123 pm covalent radius | 120 pm | 111 pm | 138 pm van der Waals radius | (unknown) | 210 pm | 206 pm
Units
Unit conversions for median van der Waals radius 208 pm
0.208 nm (nanometers)
2.08×10^-10 meters
8.19×10^-9 inches
2.08 Å (ångströms)
Comparisons for median van der Waals radius 208 pm
≈ 6.7 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
≈ 8.3 × atomic radius of hydrogen ( ≈ 25 pm )