Input interpretation
darmstadtium meitnerium | atomic mass
Results
darmstadtium | 281 u (unified atomic mass units) meitnerium | 278 u (unified atomic mass units) (atomic mass number given for longest-lived known isotope)
Relative values
| visual | ratios | | comparisons meitnerium | | 0.99 | 1 | 1% smaller darmstadtium | | 1 | 1.01 | 1% larger