Input interpretation
3rd hardest element | by Mohs hardness
Result
tungsten (7.5)
Periodic table location
Periodic table location
Image
Image
Basic elemental properties
![atomic symbol | W atomic number | 74 short electronic configuration | [Xe]6s^24f^145d^4 Aufbau diagram | 5d 4f 6s block | d group | 6 period | 6 atomic mass | 183.84 u (unified atomic mass units)](../image_source/91200b90c9321f2100cb051d891af08d.png)
atomic symbol | W atomic number | 74 short electronic configuration | [Xe]6s^24f^145d^4 Aufbau diagram | 5d 4f 6s block | d group | 6 period | 6 atomic mass | 183.84 u (unified atomic mass units)
Thermodynamic properties
phase at STP | solid melting point | 3422 °C (rank: 2nd) boiling point | 5555 °C (rank: 2nd) molar heat of fusion | 35 kJ/mol (rank: 6th) molar heat of vaporization | 800 kJ/mol (rank: 1st) specific heat at STP | 132 J/(kg K) (rank: 75th) (properties at standard conditions)
Material properties
density | 19.25 g/cm^3 (rank: 8th) liquid density | 17.6 g/cm^3 molar volume | 9.55 cm^3/mol Mohs hardness | 7.5 (between quartz and topaz) Vickers hardness | 3430 MPa (rank: 5th) Brinell hardness | 2570 MPa (rank: 3rd) bulk modulus | 310 GPa (rank: 5th) shear modulus | 161 GPa Young's modulus | 411 GPa (rank: 4th) Poisson ratio | 0.28 (rank: 27th) tensile yield strength | 750 MPa (rank: 2nd) ultimate tensile strength | 0.98 GPa (rank: 2nd) sound speed | 5174 m/s (rank: 9th) thermal expansion | 4.5×10^-6 K^(-1) (rank: 63rd) thermal conductivity | 170 W/(m K) (rank: 7th) (properties at standard conditions)
Electromagnetic properties
electrical type | conductor resistivity | 5×10^-8 Ω m (ohm meters) electrical conductivity | 2×10^7 S/m (siemens per meter) magnetic type | paramagnetic volume magnetic susceptibility | 8.84×10^-5 mass magnetic susceptibility | 4.59×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 8.44×10^-10 m^3/mol (cubic meters per mole) work function | (4.32 to 5.22) eV threshold frequency | (1.045×10^15 to 1.262×10^15) Hz (hertz) superconducting point | 0.015 K (kelvins) color | (gray) (work function range from 6 different crystalline orientations)
Reactivity
valence | 6 electronegativity | 2.36 electron affinity | 78.6 kJ/mol (kilojoules per mole) first ionization energy | 770 kJ/mol (kilojoules per mole) ionization energies | 770 kJ/mol | 1700 kJ/mol
Reactivity
Atomic properties
term symbol | ^5D_0 atomic radius | 135 pm covalent radius | 162 pm (electronic ground state properties)
(neutral tungsten atomic spectrum)