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element types of lithium selenide

Input interpretation

lithium selenide | element types
lithium selenide | element types

Result

lithium | selenium
lithium | selenium

Periodic table location

Periodic table location
Periodic table location

Images

Images
Images

Basic elemental properties

 | lithium | selenium atomic symbol | Li | Se atomic number | 3 | 34 short electronic configuration | [He]2s^1 | [Ar]4s^23d^104p^4 Aufbau diagram | 2s | 4p  3d  4s  block | s | p group | 1 | 16 period | 2 | 4 atomic mass | 6.94 u | 78.971 u half-life | (stable) | (stable)
| lithium | selenium atomic symbol | Li | Se atomic number | 3 | 34 short electronic configuration | [He]2s^1 | [Ar]4s^23d^104p^4 Aufbau diagram | 2s | 4p 3d 4s block | s | p group | 1 | 16 period | 2 | 4 atomic mass | 6.94 u | 78.971 u half-life | (stable) | (stable)

Thermodynamic properties

 | lithium | selenium phase at STP | solid | solid melting point | 180.54 °C | 221 °C boiling point | 1342 °C | 685 °C critical temperature | 3223 K | 1766 K critical pressure | 67 MPa | 27.2 MPa molar heat of fusion | 3 kJ/mol | 5.4 kJ/mol molar heat of vaporization | 147 kJ/mol | 26 kJ/mol specific heat at STP | 3570 J/(kg K) | 321.2 J/(kg K) (properties at standard conditions)
| lithium | selenium phase at STP | solid | solid melting point | 180.54 °C | 221 °C boiling point | 1342 °C | 685 °C critical temperature | 3223 K | 1766 K critical pressure | 67 MPa | 27.2 MPa molar heat of fusion | 3 kJ/mol | 5.4 kJ/mol molar heat of vaporization | 147 kJ/mol | 26 kJ/mol specific heat at STP | 3570 J/(kg K) | 321.2 J/(kg K) (properties at standard conditions)

Material properties

 | lithium | selenium density | 0.535 g/cm^3 | 4.819 g/cm^3 liquid density | 0.512 g/cm^3 | 3.99 g/cm^3 molar volume | 13 cm^3/mol | 16.39 cm^3/mol Mohs hardness | 0.6 (between talc and gypsum) | 2 (≈ gypsum) Brinell hardness | | 736 MPa bulk modulus | 11 GPa | 8.3 GPa shear modulus | 4.2 GPa | 3.7 GPa Young's modulus | 4.9 GPa | 10 GPa Poisson ratio | | 0.33 ultimate tensile strength | 15 MPa |  refractive index | | 1.000895 sound speed | 6000 m/s | 3350 m/s thermal expansion | 4.6×10^-5 K^(-1) |  thermal conductivity | 85 W/(m K) | 0.52 W/(m K) (properties at standard conditions)
| lithium | selenium density | 0.535 g/cm^3 | 4.819 g/cm^3 liquid density | 0.512 g/cm^3 | 3.99 g/cm^3 molar volume | 13 cm^3/mol | 16.39 cm^3/mol Mohs hardness | 0.6 (between talc and gypsum) | 2 (≈ gypsum) Brinell hardness | | 736 MPa bulk modulus | 11 GPa | 8.3 GPa shear modulus | 4.2 GPa | 3.7 GPa Young's modulus | 4.9 GPa | 10 GPa Poisson ratio | | 0.33 ultimate tensile strength | 15 MPa | refractive index | | 1.000895 sound speed | 6000 m/s | 3350 m/s thermal expansion | 4.6×10^-5 K^(-1) | thermal conductivity | 85 W/(m K) | 0.52 W/(m K) (properties at standard conditions)

Electromagnetic properties

 | lithium | selenium electrical type | conductor |  resistivity | 9.4×10^-8 Ω m (ohm meters) |  electrical conductivity | 1.1×10^7 S/m (siemens per meter) |  magnetic type | paramagnetic | diamagnetic volume magnetic susceptibility | 1.37×10^-5 | -1.93×10^-5 mass magnetic susceptibility | 2.56×10^-8 m^3/kg (cubic meters per kilogram) | -4×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 1.78×10^-10 m^3/mol (cubic meters per mole) | -3.16×10^-10 m^3/mol (cubic meters per mole) work function | 2.93 eV (Polycrystalline) | 5.9 eV (Polycrystalline) threshold frequency | 7.085×10^14 Hz (hertz) | 1.427×10^15 Hz (hertz) color | (silver) | (gray) refractive index | | 1.000895
| lithium | selenium electrical type | conductor | resistivity | 9.4×10^-8 Ω m (ohm meters) | electrical conductivity | 1.1×10^7 S/m (siemens per meter) | magnetic type | paramagnetic | diamagnetic volume magnetic susceptibility | 1.37×10^-5 | -1.93×10^-5 mass magnetic susceptibility | 2.56×10^-8 m^3/kg (cubic meters per kilogram) | -4×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 1.78×10^-10 m^3/mol (cubic meters per mole) | -3.16×10^-10 m^3/mol (cubic meters per mole) work function | 2.93 eV (Polycrystalline) | 5.9 eV (Polycrystalline) threshold frequency | 7.085×10^14 Hz (hertz) | 1.427×10^15 Hz (hertz) color | (silver) | (gray) refractive index | | 1.000895

Reactivity

 | lithium | selenium valence | 1 | 6 electronegativity | 0.98 | 2.55 electron affinity | 59.6 kJ/mol (kilojoules per mole) | 195 kJ/mol (kilojoules per mole) first ionization energy | 520.2 kJ/mol (kilojoules per mole) | 941 kJ/mol (kilojoules per mole) ionization energies | 520.2 kJ/mol | 7298.1 kJ/mol | 11815 kJ/mol | 941 kJ/mol | 2045 kJ/mol | 2973.7 kJ/mol | 4144 kJ/mol | 6590 kJ/mol | 7880 kJ/mol | 14990 kJ/mol
| lithium | selenium valence | 1 | 6 electronegativity | 0.98 | 2.55 electron affinity | 59.6 kJ/mol (kilojoules per mole) | 195 kJ/mol (kilojoules per mole) first ionization energy | 520.2 kJ/mol (kilojoules per mole) | 941 kJ/mol (kilojoules per mole) ionization energies | 520.2 kJ/mol | 7298.1 kJ/mol | 11815 kJ/mol | 941 kJ/mol | 2045 kJ/mol | 2973.7 kJ/mol | 4144 kJ/mol | 6590 kJ/mol | 7880 kJ/mol | 14990 kJ/mol
Reactivity
Reactivity

Atomic properties

 | lithium | selenium term symbol | ^2S_(1/2) | ^3P_2 atomic radius | 145 pm | 115 pm covalent radius | 128 pm | 120 pm van der Waals radius | 182 pm | 190 pm (electronic ground state properties)
| lithium | selenium term symbol | ^2S_(1/2) | ^3P_2 atomic radius | 145 pm | 115 pm covalent radius | 128 pm | 120 pm van der Waals radius | 182 pm | 190 pm (electronic ground state properties)

Abundances

 | lithium | selenium universe abundance | 6×10^-7 mass% | 3×10^-6 mass% solar abundance | 6×10^-9 mass% |  meteorite abundance | 1.7×10^-4 mass% | 0.0013 mass% crust abundance | 0.0017 mass% | 5×10^-6 mass% ocean abundance | 1.8×10^-5 mass% | 4.5×10^-8 mass% human abundance | 3×10^-6 mass% | 5×10^-6 mass% universe molar abundance | 1×10^-7 mol% | 5×10^-8 mol% solar molar abundance | 9.9×10^-10 mol% |  meteorite molar abundance | 4.6×10^-4 mol% | 2.9×10^-4 mol% ocean molar abundance | 1.6×10^-5 mol% | 3.5×10^-9 mol% crust molar abundance | 0.005 mol% | 9.9×10^-7 mol% human molar abundance | 2.7×10^-6 mol% | 4×10^-7 mol%
| lithium | selenium universe abundance | 6×10^-7 mass% | 3×10^-6 mass% solar abundance | 6×10^-9 mass% | meteorite abundance | 1.7×10^-4 mass% | 0.0013 mass% crust abundance | 0.0017 mass% | 5×10^-6 mass% ocean abundance | 1.8×10^-5 mass% | 4.5×10^-8 mass% human abundance | 3×10^-6 mass% | 5×10^-6 mass% universe molar abundance | 1×10^-7 mol% | 5×10^-8 mol% solar molar abundance | 9.9×10^-10 mol% | meteorite molar abundance | 4.6×10^-4 mol% | 2.9×10^-4 mol% ocean molar abundance | 1.6×10^-5 mol% | 3.5×10^-9 mol% crust molar abundance | 0.005 mol% | 9.9×10^-7 mol% human molar abundance | 2.7×10^-6 mol% | 4×10^-7 mol%

Nuclear properties

 | lithium | selenium half-life | (stable) | (stable) stable isotopes | Li-7 (92.41%) | Li-6 (7.59%) | Se-80 (49.61%) | Se-78 (23.77%) | Se-76 (9.37%) | Se-77 (7.63%) | Se-74 (0.89%) nuclear spin | Li-4: 2^- | Li-5: 3/2^- | Li-6: 1^+ | Li-7: 3/2^- | Li-8: 2^+ | Li-9: 3/2^- | Li-11: 3/2^- | Se-65: 3/2^- | Se-66: 0^+ | Se-67: 5/2^- | Se-68: 0^+ | Se-70: 0^+ | Se-71: 5/2^- | Se-72: 0^+ | Se-73: 9/2^+ | Se-74: 0^+ | Se-75: 5/2^+ | Se-76: 0^+ | Se-77: 1/2^- | Se-78: 0^+ | Se-79: 7/2^+ | Se-80: 0^+ | Se-81: 1/2^- | Se-82: 0^+ | Se-83: 9/2^+ | Se-84: 0^+ | Se-85: 5/2^+ | Se-86: 0^+ | Se-87: 5/2^+ | Se-88: 0^+ | Se-89: 5/2^+ | Se-90: 0^+ | Se-91: 1/2^+ | Se-92: 0^+ | Se-93: 1/2^+ | Se-94: 0^+ unstable isotopes | Li-8 (839.9 ms) | Li-9 (178.3 ms) | Li-11 (8.59 ms) | Li-12 (10 ns) | Li-10 (2 zs) | Li-5 (0.3 zs) | Li-4 (0.0757 zs) | Se-79 (0.295 Myr) | Se-75 (119.79 days) | Se-72 (8.4 days) | Se-73 (7.14 h) | Se-70 (41.17 min) | Se-83 (22.33 min) | Se-81 (18.45 min) | Se-71 (4.73 min) | Se-84 (186 s) | Se-68 (35.5 s) | Se-85 (31.7 s) | Se-69 (27.4 s) | Se-86 (15.3 s) | Se-87 (5.5 s) | Se-88 (1.53 s) | Se-89 (410 ms) | Se-91 (270 ms) | Se-67 (136 ms) | Se-65 (50 ms) | Se-66 (33 ms) | Se-92 (300 ns) | Se-90 (300 ns) | Se-94 (150 ns) | Se-93 (150 ns) neutron cross-section | 71 b | 11.7 b neutron mass absorption | | 0.0056 m^2/kg
| lithium | selenium half-life | (stable) | (stable) stable isotopes | Li-7 (92.41%) | Li-6 (7.59%) | Se-80 (49.61%) | Se-78 (23.77%) | Se-76 (9.37%) | Se-77 (7.63%) | Se-74 (0.89%) nuclear spin | Li-4: 2^- | Li-5: 3/2^- | Li-6: 1^+ | Li-7: 3/2^- | Li-8: 2^+ | Li-9: 3/2^- | Li-11: 3/2^- | Se-65: 3/2^- | Se-66: 0^+ | Se-67: 5/2^- | Se-68: 0^+ | Se-70: 0^+ | Se-71: 5/2^- | Se-72: 0^+ | Se-73: 9/2^+ | Se-74: 0^+ | Se-75: 5/2^+ | Se-76: 0^+ | Se-77: 1/2^- | Se-78: 0^+ | Se-79: 7/2^+ | Se-80: 0^+ | Se-81: 1/2^- | Se-82: 0^+ | Se-83: 9/2^+ | Se-84: 0^+ | Se-85: 5/2^+ | Se-86: 0^+ | Se-87: 5/2^+ | Se-88: 0^+ | Se-89: 5/2^+ | Se-90: 0^+ | Se-91: 1/2^+ | Se-92: 0^+ | Se-93: 1/2^+ | Se-94: 0^+ unstable isotopes | Li-8 (839.9 ms) | Li-9 (178.3 ms) | Li-11 (8.59 ms) | Li-12 (10 ns) | Li-10 (2 zs) | Li-5 (0.3 zs) | Li-4 (0.0757 zs) | Se-79 (0.295 Myr) | Se-75 (119.79 days) | Se-72 (8.4 days) | Se-73 (7.14 h) | Se-70 (41.17 min) | Se-83 (22.33 min) | Se-81 (18.45 min) | Se-71 (4.73 min) | Se-84 (186 s) | Se-68 (35.5 s) | Se-85 (31.7 s) | Se-69 (27.4 s) | Se-86 (15.3 s) | Se-87 (5.5 s) | Se-88 (1.53 s) | Se-89 (410 ms) | Se-91 (270 ms) | Se-67 (136 ms) | Se-65 (50 ms) | Se-66 (33 ms) | Se-92 (300 ns) | Se-90 (300 ns) | Se-94 (150 ns) | Se-93 (150 ns) neutron cross-section | 71 b | 11.7 b neutron mass absorption | | 0.0056 m^2/kg

Identifiers

 | lithium | selenium CAS number | 7439-93-2 | 7782-49-2 PubChem CID number | 3028194 |
| lithium | selenium CAS number | 7439-93-2 | 7782-49-2 PubChem CID number | 3028194 |