Input interpretation
hydrogen radon | atomic mass
Results
hydrogen | 1.008 u (unified atomic mass units) radon | 222 u (unified atomic mass units)
radon | atomic mass | 222 u (unified atomic mass units) (atomic mass number given for longest-lived isotope)
Relative values
| visual | ratios | | comparisons hydrogen | | 0.00454 | 1 | 99.546% smaller radon | | 1 | 220 | 21900% larger