Input interpretation
tellurium (chemical element)
Periodic table location
Periodic table location
Image
Image
Basic elemental properties
![atomic symbol | Te atomic number | 52 short electronic configuration | [Kr]5s^24d^105p^4 Aufbau diagram | 5p 4d 5s block | p group | 16 period | 5 atomic mass | 127.6 u (unified atomic mass units)](../image_source/e96d1da7a87b557e0565e5fdd16d8b6a.png)
atomic symbol | Te atomic number | 52 short electronic configuration | [Kr]5s^24d^105p^4 Aufbau diagram | 5p 4d 5s block | p group | 16 period | 5 atomic mass | 127.6 u (unified atomic mass units)
Thermodynamic properties
phase at STP | solid melting point | 449.51 °C (rank: 70th) boiling point | 988 °C (rank: 69th) molar heat of fusion | 17.5 kJ/mol (rank: 25th) molar heat of vaporization | 48 kJ/mol (rank: 76th) specific heat at STP | 201 J/(kg K) (rank: 55th) (properties at standard conditions)
Material properties
density | 6.24 g/cm^3 (rank: 56th) liquid density | 5.7 g/cm^3 molar volume | 20.45 cm^3/mol Mohs hardness | 2.25 (between gypsum and calcite) Brinell hardness | 180 MPa (rank: 47th) bulk modulus | 65 GPa (rank: 28th) shear modulus | 16 GPa Young's modulus | 43 GPa (rank: 45th) ultimate tensile strength | 11 MPa (rank: 34th) refractive index | 1.000991 sound speed | 2610 m/s (rank: 42nd) thermal conductivity | 3 W/(m K) (rank: 77th) (properties at standard conditions)
Electromagnetic properties
electrical type | semiconductor resistivity | 1×10^-4 Ω m (ohm meters) electrical conductivity | 10000 S/m (siemens per meter) magnetic type | diamagnetic volume magnetic susceptibility | -2.43×10^-5 mass magnetic susceptibility | -3.9×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -4.98×10^-10 m^3/mol (cubic meters per mole) work function | 4.95 eV (Polycrystalline) threshold frequency | 1.197×10^15 Hz (hertz) color | (silver) refractive index | 1.000991
Reactivity
valence | 6 electronegativity | 2.1 electron affinity | 190.2 kJ/mol (kilojoules per mole) first ionization energy | 869.3 kJ/mol (kilojoules per mole) ionization energies | 869.3 kJ/mol | 1790 kJ/mol | 2698 kJ/mol | 3610 kJ/mol | 5668 kJ/mol | 6820 kJ/mol | 13200 kJ/mol
Reactivity
Atomic properties
term symbol | ^3P_2 atomic radius | 140 pm covalent radius | 138 pm van der Waals radius | 206 pm (electronic ground state properties)
(neutral tellurium atomic spectrum)
Abundances
universe abundance | 9×10^-7 mass% (rank: 40th) meteorite abundance | 2.1×10^-4 mass% (rank: 32nd) crust abundance | 9.9×10^-8 mass% (rank: 78th) universe molar abundance | 9×10^-9 mol% (rank: 42nd) meteorite molar abundance | 3×10^-5 mol% (rank: 36th) crust molar abundance | 2×10^-8 mol% (rank: 78th)