Input interpretation
argon helium | atomic diameter
Results
argon | 140 pm (picometers) helium | 62 pm (picometers)
Relative values
| visual | ratios | | comparisons helium | | 0.44 | 1 | 56% smaller argon | | 1 | 2.3 | 130% larger
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
| argon | helium atomic radius (calculated) | 71 pm | 31 pm covalent radius | 106 pm | 28 pm van der Waals radius | 188 pm | 140 pm
Units
