Input interpretation
iron potassium | atomic radius
Results
iron | 140 pm (picometers) potassium | 220 pm (picometers)
Relative values
| visual | ratios | | comparisons iron | | 0.64 | 1 | 36% smaller potassium | | 1 | 1.57 | 57% larger
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
| iron | potassium atomic radius (empirical) | 140 pm | 220 pm atomic radius (calculated) | 156 pm | 243 pm covalent radius | 132 pm | 203 pm van der Waals radius | (unknown) | 275 pm
Units