Input interpretation
berkelium neptunium | atomic mass
Results
berkelium | 247 u (unified atomic mass units) neptunium | 237 u (unified atomic mass units) (atomic mass number given for longest-lived isotope)
Relative values
| visual | ratios | | comparisons neptunium | | 0.96 | 1 | 4% smaller berkelium | | 1 | 1.04 | 4% larger