Nitrogen

Symbol | N
Latin name | Nitrogenium
Atomic number | 7
Period | 2
Element category | Nonmetals
Relative atomic mass | 14.00674
Group | V.A
Electronegativity | 3.0
Oxidation numbers | -3, 1, 2, 3, 4, 5
Electron configuration | 1s2 2s2 2p3
Density [g/cm3] | 0.0012506
State | Gas
Melting point [°C] | -209.79
Boiling point [°C] | -195.802
Critical point [°C] | -146.94
Critical pressure [MPa] | 3.39
Atomic radius [pm] | 56
Covalent radius [pm] | 75
Thermal conductivity [W m-1K-1] | 0.02598
Heat capacity [J K-1g-1] | 1.042
Discovery | 1772
1.st ionization energy [eV] | 14.5341
2.nd ionization energy [eV] | 29.601
3.rd ionization energy [eV] | 47.448
Stable isotopes | 2
Unstable isotopes | 4