Input interpretation
rhodium (chemical element)
Periodic table location
Periodic table location
Image
Image
Basic elemental properties
![atomic symbol | Rh atomic number | 45 short electronic configuration | [Kr]5s^14d^8 Aufbau diagram | 4d 5s block | d group | 9 period | 5 atomic mass | 102.9055 u (unified atomic mass units)](../image_source/e181905bbee1d303cf1a70252aa042a5.png)
atomic symbol | Rh atomic number | 45 short electronic configuration | [Kr]5s^14d^8 Aufbau diagram | 4d 5s block | d group | 9 period | 5 atomic mass | 102.9055 u (unified atomic mass units)
Thermodynamic properties
phase at STP | solid melting point | 1964 °C (rank: 13th) boiling point | 3695 °C (rank: 19th) molar heat of fusion | 21.7 kJ/mol (rank: 18th) molar heat of vaporization | 495 kJ/mol (rank: 15th) specific heat at STP | 240 J/(kg K) (rank: 45th) (properties at standard conditions)
Material properties
density | 12.45 g/cm^3 (rank: 18th) liquid density | 10.7 g/cm^3 molar volume | 8.2655 cm^3/mol Mohs hardness | 6 (≈ microcline) Vickers hardness | 1246 MPa (rank: 15th) Brinell hardness | 1100 MPa (rank: 13th) bulk modulus | 380 GPa (rank: 1st) shear modulus | 150 GPa Young's modulus | 275 GPa (rank: 8th) Poisson ratio | 0.26 (rank: 36th) sound speed | 4700 m/s (rank: 17th) thermal expansion | 8.2×10^-6 K^(-1) (rank: 47th) thermal conductivity | 150 W/(m K) (rank: 9th) (properties at standard conditions)
Electromagnetic properties
electrical type | conductor resistivity | 4.3×10^-8 Ω m (ohm meters) electrical conductivity | 2.3×10^7 S/m (siemens per meter) magnetic type | paramagnetic volume magnetic susceptibility | 1.693×10^-4 mass magnetic susceptibility | 1.36×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 1.4×10^-9 m^3/mol (cubic meters per mole) work function | 4.98 eV (Polycrystalline) threshold frequency | 1.204×10^15 Hz (hertz) color | (silver)
Reactivity
valence | 6 electronegativity | 2.28 electron affinity | 109.7 kJ/mol (kilojoules per mole) first ionization energy | 719.7 kJ/mol (kilojoules per mole) ionization energies | 719.7 kJ/mol | 1740 kJ/mol | 2997 kJ/mol
Reactivity
Atomic properties
term symbol | ^4F_(9/2) atomic radius | 135 pm covalent radius | 142 pm (electronic ground state properties)
(neutral rhodium atomic spectrum)
Abundances
universe abundance | 6×10^-8 mass% (rank: 68th) solar abundance | 2×10^-7 mass% (rank: 50th) meteorite abundance | 1.8×10^-5 mass% (rank: 55th) crust abundance | 7×10^-8 mass% (rank: 80th) universe molar abundance | 7×10^-10 mol% (rank: 64th) solar molar abundance | 2×10^-9 mol% (rank: 50th) meteorite molar abundance | 4×10^-6 mol% (rank: 51st) crust molar abundance | 9.9×10^-9 mol% (rank: 81st)