Input interpretation
hydrogen iodine | atomic diameter
Results
hydrogen | 50 pm (picometers) iodine | 280 pm (picometers)
Relative values
| visual | ratios | | comparisons hydrogen | | 0.18 | 1 | 82% smaller iodine | | 1 | 5.6 | 460% larger
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
| hydrogen | iodine atomic radius (empirical) | 25 pm | 140 pm atomic radius (calculated) | 53 pm | 115 pm covalent radius | 31 pm | 139 pm van der Waals radius | 120 pm | 198 pm
Units
