94  Plutonium

 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      

+--------------------+
| 94  ____           |
|    |  _ \ _   _    |
|    | |_) | | | |   |
|    |  __/| |_| |   |
|    |_|    \__,_|   |
|                    |
|      Plutonium     |
|     244.06420 u    |
+--------------------+

Electron Configuration: [Rn]7s2 5f6
Electronegativity:      1.28
Atomic Radius:          243 pm
Ionization Energy:      6.06 eV
Electron Affinity:      
Oxidation States:       +6, +5, +4, +3
Standard State:         Solid
Melting Point:          913 K
Boiling Point:          3501 K
Density:                19.84 g/cm3
Family:                 Actinide
Year Discovered:        1940
Number of Neutrons:     150
Number of Protons:      94
Number of Electrons:    94
Number of Valence:      
Valency:                
Group:                  
Period:                 7
Shell:                  f-shell
Specific Heat:          
Radioactive:            1
Occurrence:             Rare
Source:                 Merging neutron stars