Input interpretation
fermium thorium | first ionization energy
Results
fermium | 627 kJ/mol (kilojoules per mole) thorium | 587 kJ/mol (kilojoules per mole)
Relative values
| visual | ratios | | comparisons thorium | | 0.94 | 1 | 6% smaller fermium | | 1 | 1.07 | 7% larger
Plot
Plot
Periodic table location
Periodic table location