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terbium

Input interpretation

terbium (chemical element)
terbium (chemical element)

Periodic table location

Periodic table location
Periodic table location

Image

Image
Image

Basic elemental properties

atomic symbol | Tb atomic number | 65 short electronic configuration | [Xe]6s^24f^9 Aufbau diagram | 4f 6s block | f period | 6 atomic mass | 158.92535 u (unified atomic mass units)
atomic symbol | Tb atomic number | 65 short electronic configuration | [Xe]6s^24f^9 Aufbau diagram | 4f 6s block | f period | 6 atomic mass | 158.92535 u (unified atomic mass units)

Thermodynamic properties

phase at STP | solid melting point | 1356 °C (rank: 35th) boiling point | 3230 °C (rank: 28th) molar heat of fusion | 10.8 kJ/mol (rank: 45th) molar heat of vaporization | 295 kJ/mol (rank: 41st) specific heat at STP | 182 J/(kg K) (rank: 61st) Néel point | 230 K (properties at standard conditions)
phase at STP | solid melting point | 1356 °C (rank: 35th) boiling point | 3230 °C (rank: 28th) molar heat of fusion | 10.8 kJ/mol (rank: 45th) molar heat of vaporization | 295 kJ/mol (rank: 41st) specific heat at STP | 182 J/(kg K) (rank: 61st) Néel point | 230 K (properties at standard conditions)

Material properties

density | 8.219 g/cm^3 (rank: 40th) liquid density | 7.65 g/cm^3 molar volume | 19.34 cm^3/mol Mohs hardness | 2.3 (between gypsum and calcite) Vickers hardness | 863 MPa (rank: 22nd) Brinell hardness | 677 MPa (rank: 25th) bulk modulus | 38.7 GPa (rank: 43rd) shear modulus | 22 GPa Young's modulus | 56 GPa (rank: 36th) Poisson ratio | 0.26 (rank: 36th) tensile yield strength | 60 MPa (rank: 22nd) ultimate tensile strength | 140 MPa (rank: 19th) sound speed | 2620 m/s (rank: 41st) thermal expansion | 1.03×10^-5 K^(-1) (rank: 38th) thermal conductivity | 11 W/(m K) (rank: 66th) (properties at standard conditions)
density | 8.219 g/cm^3 (rank: 40th) liquid density | 7.65 g/cm^3 molar volume | 19.34 cm^3/mol Mohs hardness | 2.3 (between gypsum and calcite) Vickers hardness | 863 MPa (rank: 22nd) Brinell hardness | 677 MPa (rank: 25th) bulk modulus | 38.7 GPa (rank: 43rd) shear modulus | 22 GPa Young's modulus | 56 GPa (rank: 36th) Poisson ratio | 0.26 (rank: 36th) tensile yield strength | 60 MPa (rank: 22nd) ultimate tensile strength | 140 MPa (rank: 19th) sound speed | 2620 m/s (rank: 41st) thermal expansion | 1.03×10^-5 K^(-1) (rank: 38th) thermal conductivity | 11 W/(m K) (rank: 66th) (properties at standard conditions)

Electromagnetic properties

electrical type | conductor resistivity | 1.2×10^-6 Ω m (ohm meters) electrical conductivity | 830000 S/m (siemens per meter) magnetic type | paramagnetic volume magnetic susceptibility | 0.1117784 mass magnetic susceptibility | 1.36×10^-5 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 2.161385×10^-6 m^3/mol (cubic meters per mole) Curie point | 222 K (kelvins) Néel point | 230 K (kelvins) work function | 3 eV (Polycrystalline) threshold frequency | 7.254×10^14 Hz (hertz) color | (silver)
electrical type | conductor resistivity | 1.2×10^-6 Ω m (ohm meters) electrical conductivity | 830000 S/m (siemens per meter) magnetic type | paramagnetic volume magnetic susceptibility | 0.1117784 mass magnetic susceptibility | 1.36×10^-5 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 2.161385×10^-6 m^3/mol (cubic meters per mole) Curie point | 222 K (kelvins) Néel point | 230 K (kelvins) work function | 3 eV (Polycrystalline) threshold frequency | 7.254×10^14 Hz (hertz) color | (silver)

Reactivity

valence | 3 electron affinity | 50 kJ/mol (kilojoules per mole) first ionization energy | 565.8 kJ/mol (kilojoules per mole) ionization energies | 565.8 kJ/mol | 1110 kJ/mol | 2114 kJ/mol | 3839 kJ/mol
valence | 3 electron affinity | 50 kJ/mol (kilojoules per mole) first ionization energy | 565.8 kJ/mol (kilojoules per mole) ionization energies | 565.8 kJ/mol | 1110 kJ/mol | 2114 kJ/mol | 3839 kJ/mol
Reactivity
Reactivity

Atomic properties

term symbol | ^6H_(15/2) atomic radius | 175 pm covalent radius | 194 pm (electronic ground state properties)
term symbol | ^6H_(15/2) atomic radius | 175 pm covalent radius | 194 pm (electronic ground state properties)
(neutral terbium atomic spectrum)
(neutral terbium atomic spectrum)

Abundances

universe abundance | 5×10^-8 mass% (rank: 71st) solar abundance | 1×10^-8 mass% (rank: 71st) meteorite abundance | 3.9×10^-6 mass% (rank: 72nd) crust abundance | 9.3×10^-5 mass% (rank: 59th) ocean abundance | 1.4×10^-11 mass% (rank: 74th) universe molar abundance | 4×10^-10 mol% (rank: 68th) solar molar abundance | 9.9×10^-11 mol% (rank: 73rd) meteorite molar abundance | 5×10^-7 mol% (rank: 71st) ocean molar abundance | 5×10^-6 mol% (rank: 25th) crust molar abundance | 1.2×10^-5 mol% (rank: 59th)
universe abundance | 5×10^-8 mass% (rank: 71st) solar abundance | 1×10^-8 mass% (rank: 71st) meteorite abundance | 3.9×10^-6 mass% (rank: 72nd) crust abundance | 9.3×10^-5 mass% (rank: 59th) ocean abundance | 1.4×10^-11 mass% (rank: 74th) universe molar abundance | 4×10^-10 mol% (rank: 68th) solar molar abundance | 9.9×10^-11 mol% (rank: 73rd) meteorite molar abundance | 5×10^-7 mol% (rank: 71st) ocean molar abundance | 5×10^-6 mol% (rank: 25th) crust molar abundance | 1.2×10^-5 mol% (rank: 59th)

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