Input interpretation
osmium | first ionization energy
Result
840 kJ/mol (kilojoules per mole)
Periodic table location
Periodic table location
Unit conversions
0.84 MJ/mol (megajoules per mole)
840000 J/mol (joules per mole)
201 kcal/mol (thermochemical kilocalories per mole)
8.71 eV (molar electronvolts)
Comparisons as molar ionization energy
≈ 0.35 × molar energy required to remove the first electron from helium ( 2372 kJ/mol )
≈ 2.2 × molar energy required to remove the first electron from cesium ( 377 kJ/mol )