Input interpretation
roentgenium lawrencium | atomic mass
Results
roentgenium | 281 u (unified atomic mass units) lawrencium | 262 u (unified atomic mass units) (atomic mass number given for longest-lived known isotope)
Relative values
| visual | ratios | | comparisons lawrencium | | 0.93 | 1 | 7% smaller roentgenium | | 1 | 1.07 | 7% larger