Periodic table of the elements
RutheniumRhodiumPalladium
45
Rh
Rhodium
102.90550
2
8
18
16
1
45
Rh
Rhodium
102.90550
2
8
18
16
1
General
NameRhodium
SymbolRh
Number45
Chemical seriesTransition elements
Group / Period9 / 5
Blockd-block
CAS registry number7440-16-6

Physical properties
Statesolid
Density12.41 g/cm3
Melting point2237 K (1964°C, 3567°F)
Boiling point3968 K (3695 °C, 6683 °F)
Critical point

Atomic properties
Atomic Weight102.90550 g/mol
Crystal structurecubic face centered
Electronegativity2.28
Atomic radius135 pm
Atomic radius (calculated)173 pm
Electron configuration[Kr] 4d8 5s1
Electrons per shell2, 8, 18, 16, 1
Number of protons45
Number of neutrons58

Other languages
SpanishRodio
PortugueseRódio
FrenchRhodium
GermanRhodium
ItalianRodio
RussianРодий
PolishRod
Chinese
Arabicروديوم
TurkishRodyum
DutchRhodium


Periodic table of the elements
RutheniumRhodiumPalladium