Input interpretation
astatine iodine | atomic radius
Results
astatine | 127 pm (picometers) iodine | 140 pm (picometers)
Relative values
| visual | ratios | | comparisons astatine | | 0.91 | 1 | 9% smaller iodine | | 1 | 1.1 | 10% larger
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
| astatine | iodine atomic radius (empirical) | | 140 pm atomic radius (calculated) | 127 pm | 115 pm covalent radius | 150 pm | 139 pm van der Waals radius | | 198 pm
Units
