70  Ytterbium

 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      

+--------------------+
| 70 __   ___        |
|    \ \ / / |__     |
|     \ V /| '_ \    |
|      | | | |_) |   |
|      |_| |_.__/    |
|                    |
|      Ytterbium     |
|      173.05 u      |
+--------------------+

Electron Configuration: [Xe]6s2 4f14
Electronegativity:      
Atomic Radius:          242 pm
Ionization Energy:      6.254 eV
Electron Affinity:      
Oxidation States:       +3, +2
Standard State:         Solid
Melting Point:          1092 K
Boiling Point:          1469 K
Density:                6.90 g/cm3
Family:                 Lanthanide
Year Discovered:        1878
Number of Neutrons:     103
Number of Protons:      70
Number of Electrons:    70
Number of Valence:      
Valency:                
Group:                  
Period:                 6
Shell:                  f-shell
Specific Heat:          0.155 J/g K
Radioactive:            0
Occurrence:             Natural
Source:                 Merging neutron stars