13  Aluminum

 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      

+--------------------+
| 13      _    _     |
|        / \  | |    |
|       / _ \ | |    |
|      / ___ \| |    |
|     /_/   \_\_|    |
|                    |
|      Aluminum      |
|     26.981538 u    |
+--------------------+

Electron Configuration: [Ne]3s2 3p1
Electronegativity:      1.61
Atomic Radius:          184 pm
Ionization Energy:      5.986 eV
Electron Affinity:      0.441 eV
Oxidation States:       3
Standard State:         Solid
Melting Point:          933.437 K
Boiling Point:          2792 K
Density:                2.70 g/cm3
Family:                 Post-transition metal
Year Discovered:        Ancient
Number of Neutrons:     14
Number of Protons:      13
Number of Electrons:    13
Number of Valence:      3
Valency:                3
Group:                  13
Period:                 3
Shell:                  p-shell
Specific Heat:          0.897 J/g K
Radioactive:            0
Occurrence:             Natural
Source:                 Dying high-mass stars