Input interpretation
osmium (chemical element)
Periodic table location
Periodic table location
Image
Image
Basic elemental properties
![atomic symbol | Os atomic number | 76 short electronic configuration | [Xe]6s^24f^145d^6 Aufbau diagram | 5d 4f 6s block | d group | 8 period | 6 atomic mass | 190.23 u (unified atomic mass units)](../image_source/09e7deb18860bc571fc12de13618bb20.png)
atomic symbol | Os atomic number | 76 short electronic configuration | [Xe]6s^24f^145d^6 Aufbau diagram | 5d 4f 6s block | d group | 8 period | 6 atomic mass | 190.23 u (unified atomic mass units)
Thermodynamic properties
phase at STP | solid melting point | 3033 °C (rank: 4th) boiling point | 5012 °C (rank: 4th) molar heat of fusion | 31 kJ/mol (rank: 9th) molar heat of vaporization | 630 kJ/mol (rank: 6th) specific heat at STP | 130 J/(kg K) (rank: 77th) (properties at standard conditions)
Material properties
density | 22.59 g/cm^3 (rank: 1st) liquid density | 20 g/cm^3 molar volume | 8.421 cm^3/mol Mohs hardness | 7 (≈ quartz) Vickers hardness | 4140 MPa (rank: 4th) Brinell hardness | 3920 MPa (rank: 2nd) shear modulus | 222 GPa Poisson ratio | 0.25 (rank: 41st) sound speed | 4940 m/s (rank: 13th) thermal expansion | 5.1×10^-6 K^(-1) (rank: 60th) thermal conductivity | 88 W/(m K) (rank: 22nd) (properties at standard conditions)
Electromagnetic properties
electrical type | conductor resistivity | 8.1×10^-8 Ω m (ohm meters) electrical conductivity | 1.2×10^7 S/m (siemens per meter) magnetic type | paramagnetic volume magnetic susceptibility | 1.4×10^-5 mass magnetic susceptibility | 6×10^-10 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 1.1×10^-10 m^3/mol (cubic meters per mole) work function | 5.93 eV (Polycrystalline) threshold frequency | 1.434×10^15 Hz (hertz) superconducting point | 0.66 K (kelvins) color | (slate gray)
Reactivity
valence | 6 electronegativity | 2.2 electron affinity | 106.1 kJ/mol (kilojoules per mole) first ionization energy | 840 kJ/mol (kilojoules per mole) ionization energies | 840 kJ/mol | 1600 kJ/mol
Reactivity
Atomic properties
term symbol | ^5D_4 atomic radius | 130 pm covalent radius | 144 pm (electronic ground state properties)
(neutral osmium atomic spectrum)
Abundances
universe abundance | 3×10^-7 mass% (rank: 50th) solar abundance | 2×10^-7 mass% (rank: 50th) meteorite abundance | 6.6×10^-5 mass% (rank: 45th) crust abundance | 1.8×10^-7 mass% (rank: 77th) universe molar abundance | 2×10^-9 mol% (rank: 52nd) solar molar abundance | 2×10^-9 mol% (rank: 50th) meteorite molar abundance | 7×10^-6 mol% (rank: 45th) crust molar abundance | 2×10^-8 mol% (rank: 78th)