100  Fermium

 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      

+--------------------+
|100_____            |
|  |  ___| __ ___    |
|  | |_ | '_ ` _ \   |
|  |  _|| | | | | |  |
|  |_|  |_| |_| |_|  |
|                    |
|       Fermium      |
|     257.09511 u    |
+--------------------+

Electron Configuration: [Rn] 5f12 7s2
Electronegativity:      1.3
Atomic Radius:          
Ionization Energy:      6.50 eV
Electron Affinity:      
Oxidation States:       3
Standard State:         Solid
Melting Point:          1800 K
Boiling Point:          
Density:                
Family:                 Actinide
Year Discovered:        1952
Number of Neutrons:     157
Number of Protons:      100
Number of Electrons:    100
Number of Valence:      
Valency:                
Group:                  
Period:                 7
Shell:                  f-shell
Specific Heat:          
Radioactive:            1
Occurrence:             Synthetic
Source:                 Human-made