Input interpretation
fluorine | first ionization energy
Result
1681 kJ/mol (kilojoules per mole)
Periodic table location
Periodic table location
Unit conversions
1.681 MJ/mol (megajoules per mole)
1.681×10^6 J/mol (joules per mole)
401.77 kcal/mol (thermochemical kilocalories per mole)
17.422 eV (molar electronvolts)
Comparisons as molar ionization energy
≈ 0.71 × molar energy required to remove the first electron from helium ( 2372 kJ/mol )
≈ 4.5 × molar energy required to remove the first electron from cesium ( 377 kJ/mol )