Input interpretation
s-block elements | electron affinity
Summary
median | 29.7 kJ/mol highest | 72.8 kJ/mol (hydrogen) lowest | 0 kJ/mol (3 elements) distribution | | (based on 12 values; 2 unavailable)
Entities with missing values
francium | radium (total: 2)
Plot
Plot
Periodic table location
Periodic table location
Distribution plots
(electron affinity in kilojoules per mole)
Electron affinity rankings
1 | magnesium | 0 kJ/mol 2 | beryllium | 0 kJ/mol 3 | helium | 0 kJ/mol 4 | calcium | 2.37 kJ/mol 5 | strontium | 5.03 kJ/mol 6 | barium | 13.95 kJ/mol 7 | cesium | 45.5 kJ/mol 8 | rubidium | 46.9 kJ/mol 9 | potassium | 48.4 kJ/mol 10 | sodium | 52.8 kJ/mol 11 | lithium | 59.6 kJ/mol 12 | hydrogen | 72.8 kJ/mol (based on 12 values; 2 unavailable)
Unit conversions for median electron affinity 29.7 kJ/mol
0.0297 MJ/mol (megajoules per mole)
29700 J/mol (joules per mole)
7.1 kcal/mol (thermochemical kilocalories per mole)
7100 cal/mol (calories per mole)
0.308 eV (molar electronvolts)