Input interpretation
calcium potassium | atomic diameter
Results
calcium | 360 pm (picometers) potassium | 440 pm (picometers)
Relative values
| visual | ratios | | comparisons calcium | | 0.82 | 1 | 18% smaller potassium | | 1 | 1.22 | 22% larger
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
| calcium | potassium atomic radius (empirical) | 180 pm | 220 pm atomic radius (calculated) | 194 pm | 243 pm covalent radius | 176 pm | 203 pm van der Waals radius | | 275 pm
Units
