Input interpretation
americium | first ionization energy
Result
578 kJ/mol (kilojoules per mole)
Periodic table location
Periodic table location
Unit conversions
0.578 MJ/mol (megajoules per mole)
578000 J/mol (joules per mole)
138 kcal/mol (thermochemical kilocalories per mole)
5.99 eV (molar electronvolts)
Comparisons as molar ionization energy
≈ ( 0.24 ≈ 1/4 ) × molar energy required to remove the first electron from helium ( 2372 kJ/mol )
≈ 1.5 × molar energy required to remove the first electron from cesium ( 377 kJ/mol )