Input interpretation
carbon hydrogen | atomic diameter
Results
carbon | 140 pm (picometers) hydrogen | 50 pm (picometers)
Relative values
| visual | ratios | | comparisons hydrogen | | 0.36 | 1 | 64% smaller carbon | | 1 | 2.8 | 180% larger
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
| carbon | hydrogen atomic radius (empirical) | 70 pm | 25 pm atomic radius (calculated) | 67 pm | 53 pm covalent radius | 76 pm | 31 pm van der Waals radius | 170 pm | 120 pm
Units