Discovered By: Daniel Rutherford, Antoine Laurent Lavoisier
Discovery year: 1772

The following table showing some properties of Nitrogen(N):

Table Example
Symbol N
Atomic number 7
Atomic weight 14.007
Group 15
Period 2
Block p
Electrons 7
Protons 7
Neutrons 7
Oxidation states -3,-2,-1,+1,+2,+3,+4,+5


Table Example
Electrons per shell K2 L5
Electron configuration 1s^2 2s^2 2p^3
Gas atomic multiplies 2
Atomic radius 56 pm
Ionic charge N^3-
Covalent radius 71 pm
van der Waalsradius 155 pm
Boiling point -195.79°C
Melting point -210.1°C
Phase Gas
Fusion heat 0.36kJ.mol^-1


Table Example
Specific heat 1040 J.kg^-1.k^-1
Vaporization heat 2.79 kJ,mol^-1
Color Colorless
Density 1.251 kg.m^-3
Refractive index 1.000298
Sound speed 333.6 m.s^-1
Thermal conductivity 0.02583W.m^-1.K^-1
Magnetic type Diamagnetic
Valence 3
Radioactive No
Electronegativity 3.04
Neutron cross section 1.91 barn