Input interpretation
iron selenium | atomic radius
Results
iron | 140 pm (picometers) selenium | 115 pm (picometers)
Relative values
| visual | ratios | | comparisons selenium | | 0.82 | 1 | 18% smaller iron | | 1 | 1.22 | 22% larger
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
| iron | selenium atomic radius (empirical) | 140 pm | 115 pm atomic radius (calculated) | 156 pm | 103 pm covalent radius | 132 pm | 120 pm van der Waals radius | (unknown) | 190 pm
Units