7  Nitrogen

 H                                                  He
 Li Be                               B  C [N ]O  F  Ne
 Na Mg                               Al Si P  S  Cl Ar
 K  Ca Sc Ti V  Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
 Rb Sr Y  Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I  Xe
 Cs Ba La Hf Ta W  Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
 Fr Ra Ac Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
                                                      
       Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu      
       Th Pa U  Np Pu Am Cm Bk Cf Es Fm Md No Lr      

+--------------------+
|  7     _   _       |
|       | \ | |      |
|       |  \| |      |
|       | |\  |      |
|       |_| \_|      |
|                    |
|      Nitrogen      |
|      14.007 u      |
+--------------------+

Electron Configuration: [He] 2s2 2p3
Electronegativity:      3.04
Atomic Radius:          155 pm
Ionization Energy:      14.534 eV
Electron Affinity:      
Oxidation States:       +5, +4, +3, +2, +1, -1, -2, -3
Standard State:         Gas
Melting Point:          63.15 K
Boiling Point:          77.36 K
Density:                0.0012506 g/cm3
Family:                 Nonmetal
Year Discovered:        1772
Number of Neutrons:     7
Number of Protons:      7
Number of Electrons:    7
Number of Valence:      5
Valency:                3
Group:                  15
Period:                 2
Shell:                  p-shell
Specific Heat:          1.040 J/g K
Radioactive:            0
Occurrence:             Natural
Source:                 Dying low-mass stars