Input interpretation
polonium selenium | atomic diameter
Results
polonium | 380 pm (picometers) selenium | 230 pm (picometers)
Relative values
| visual | ratios | | comparisons selenium | | 0.61 | 1 | 39% smaller polonium | | 1 | 1.65 | 65% larger
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
| polonium | selenium atomic radius (empirical) | 190 pm | 115 pm atomic radius (calculated) | 135 pm | 103 pm covalent radius | 140 pm | 120 pm van der Waals radius | | 190 pm
Units
