66  Dysprosium

 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      

+--------------------+
| 66  ____           |
|    |  _ \ _   _    |
|    | | | | | | |   |
|    | |_| | |_| |   |
|    |____/ \__, |   |
|           |___/    |
|     Dysprosium     |
|      162.500 u     |
+--------------------+

Electron Configuration: [Xe]6s2 4f10
Electronegativity:      1.22
Atomic Radius:          229 pm
Ionization Energy:      5.939 eV
Electron Affinity:      
Oxidation States:       3
Standard State:         Solid
Melting Point:          1685 K
Boiling Point:          2840 K
Density:                8.55 g/cm3
Family:                 Lanthanide
Year Discovered:        1886
Number of Neutrons:     97
Number of Protons:      66
Number of Electrons:    66
Number of Valence:      
Valency:                
Group:                  
Period:                 6
Shell:                  f-shell
Specific Heat:          0.170 J/g K
Radioactive:            0
Occurrence:             Natural
Source:                 Merging neutron stars