Input interpretation
group 15 elements | first ionization energy
Summary
median | 947 kJ/mol highest | 1402.3 kJ/mol (nitrogen) lowest | 703 kJ/mol (bismuth) distribution | | (based on 5 values; 1 unavailable)
Entity with missing value
moscovium
Ranked values
| | visual | ratios | 5 | bismuth | | 0.501 | 1 4 | antimony | | 0.595 | 1.19 3 | arsenic | | 0.6753 | 1.35 2 | phosphorus | | 0.7215 | 1.44 1 | nitrogen | | 1 | 1.99
Plot
Plot
Periodic table location
Periodic table location
First ionization energy rankings
1 | bismuth | 703 kJ/mol 2 | antimony | 834 kJ/mol 3 | arsenic | 947 kJ/mol 4 | phosphorus | 1011.8 kJ/mol 5 | nitrogen | 1402.3 kJ/mol (based on 5 values; 1 unavailable)
Unit conversions for median first ionization energy 947 kJ/mol
0.947 MJ/mol (megajoules per mole)
947000 J/mol (joules per mole)
226.3 kcal/mol (thermochemical kilocalories per mole)
9.815 eV (molar electronvolts)
Comparisons for median first ionization energy 947 kJ/mol
≈ 0.4 × molar energy required to remove the first electron from helium ( 2372 kJ/mol )
≈ 2.5 × molar energy required to remove the first electron from cesium ( 377 kJ/mol )