Input interpretation
hydrogen calcium | atomic radius
Results
hydrogen | 25 pm (picometers) calcium | 180 pm (picometers)
Relative values
| visual | ratios | | comparisons hydrogen | | 0.14 | 1 | 86% smaller calcium | | 1 | 7.2 | 620% larger
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
| hydrogen | calcium atomic radius (empirical) | 25 pm | 180 pm atomic radius (calculated) | 53 pm | 194 pm covalent radius | 31 pm | 176 pm van der Waals radius | 120 pm |
Units
