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Rh - Rhodium

This transition element was discovered in 1803 by Wollaston in London. Used as a plating/bonding material in jewelry.


Atomic number - 45 Density g/mL 12 .4
Atomic weight u 102 .9055 Melting point K 2236
Bonding radius A 1 .25 Boiling point K 3970
Atomic radius A 1 .83 Heat of vaporization kJ/mol 493
Ionization Potential V 7 .46 Heat of fusion kJ/mol 21 .5
Electronegativity - 2 .28 Specific heat J/gK 0 .242
The oxide is amphoteric.
Crystal are face centered cubic.

Electron config. : [Kr] 4d8 5s1

 

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

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 110 111 112 113
Lanthanides* Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
Actinides ** Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr

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