45  Rhodium

 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      

+--------------------+
| 45  ____  _        |
|    |  _ \| |__     |
|    | |_) | '_ \    |
|    |  _ <| | | |   |
|    |_| \_\_| |_|   |
|                    |
|       Rhodium      |
|     102.9055 u     |
+--------------------+

Electron Configuration: [Kr]5s1 4d8
Electronegativity:      2.28
Atomic Radius:          195 pm
Ionization Energy:      7.459 eV
Electron Affinity:      1.137 eV
Oxidation States:       3
Standard State:         Solid
Melting Point:          2237 K
Boiling Point:          3968 K
Density:                12.4 g/cm3
Family:                 Transition metal
Year Discovered:        1803
Number of Neutrons:     58
Number of Protons:      45
Number of Electrons:    45
Number of Valence:      
Valency:                
Group:                  9
Period:                 5
Shell:                  d-shell
Specific Heat:          0.243 J/g K
Radioactive:            0
Occurrence:             Natural
Source:                 Merging neutron stars