Input interpretation
lithium fluoride | element types
Result
fluorine | lithium
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
| fluorine | lithium atomic symbol | F | Li atomic number | 9 | 3 short electronic configuration | [He]2s^22p^5 | [He]2s^1 Aufbau diagram | 2p 2s | 2s block | p | s group | 17 | 1 period | 2 | 2 atomic mass | 18.998403163 u | 6.94 u half-life | (stable) | (stable)
Thermodynamic properties
| fluorine | lithium phase at STP | gas | solid melting point | -219.6 °C | 180.54 °C boiling point | -188.12 °C | 1342 °C critical temperature | 144.13 K | 3223 K critical pressure | 5.172 MPa | 67 MPa molar heat of fusion | 0.26 kJ/mol | 3 kJ/mol molar heat of vaporization | 3.27 kJ/mol | 147 kJ/mol specific heat at STP | 824 J/(kg K) | 3570 J/(kg K) adiabatic index | 7/5 | (properties at standard conditions)
Material properties
| fluorine | lithium density | 0.001696 g/cm^3 | 0.535 g/cm^3 liquid density | | 0.512 g/cm^3 molar volume | 11200 cm^3/mol | 13 cm^3/mol Mohs hardness | | 0.6 (between talc and gypsum) bulk modulus | | 11 GPa shear modulus | | 4.2 GPa Young's modulus | | 4.9 GPa ultimate tensile strength | | 15 MPa refractive index | 1.000195 | sound speed | | 6000 m/s thermal expansion | | 4.6×10^-5 K^(-1) thermal conductivity | 0.0277 W/(m K) | 85 W/(m K) (properties at standard conditions)
Electromagnetic properties
| fluorine | lithium 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 volume magnetic susceptibility | | 1.37×10^-5 mass magnetic susceptibility | | 2.56×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | | 1.78×10^-10 m^3/mol (cubic meters per mole) work function | | 2.93 eV (Polycrystalline) threshold frequency | | 7.085×10^14 Hz (hertz) color | (colorless) | (silver) refractive index | 1.000195 |
Reactivity
| fluorine | lithium valence | 1 | 1 electronegativity | 3.98 | 0.98 electron affinity | 328 kJ/mol (kilojoules per mole) | 59.6 kJ/mol (kilojoules per mole) first ionization energy | 1681 kJ/mol (kilojoules per mole) | 520.2 kJ/mol (kilojoules per mole) ionization energies | 1681 kJ/mol | 3374.2 kJ/mol | 6050.4 kJ/mol | 8407.7 kJ/mol | 11022.7 kJ/mol | 15164.1 kJ/mol | 17868 kJ/mol | 92038.1 kJ/mol | 106434.3 kJ/mol | 520.2 kJ/mol | 7298.1 kJ/mol | 11815 kJ/mol
Reactivity
Atomic properties
| fluorine | lithium term symbol | ^2P_(3/2) | ^2S_(1/2) atomic radius | 50 pm | 145 pm covalent radius | 57 pm | 128 pm van der Waals radius | 147 pm | 182 pm (electronic ground state properties)
Abundances
| fluorine | lithium universe abundance | 4×10^-5 mass% | 6×10^-7 mass% solar abundance | 5×10^-5 mass% | 6×10^-9 mass% meteorite abundance | 0.0087 mass% | 1.7×10^-4 mass% crust abundance | 0.054 mass% | 0.0017 mass% ocean abundance | 1.3×10^-4 mass% | 1.8×10^-5 mass% human abundance | 0.0037 mass% | 3×10^-6 mass% universe molar abundance | 3×10^-6 mol% | 1×10^-7 mol% solar molar abundance | 3×10^-6 mol% | 9.9×10^-10 mol% meteorite molar abundance | 0.0097 mol% | 4.6×10^-4 mol% ocean molar abundance | 4.2×10^-5 mol% | 1.6×10^-5 mol% crust molar abundance | 0.059 mol% | 0.005 mol% human molar abundance | 0.0012 mol% | 2.7×10^-6 mol%
Nuclear properties
| fluorine | lithium half-life | (stable) | (stable) stable isotopes | F-19 (100%) | Li-7 (92.41%) | Li-6 (7.59%) nuclear spin | F-14: 2^- | F-15: 1/2^+ | F-16: 0^- | F-17: 5/2^+ | F-18: 1^+ | F-19: 1/2^+ | F-20: 2^+ | F-21: 5/2^+ | F-22: 4^+ | F-23: 5/2^+ | F-25: 5/2^+ | F-26: 1^+ | F-27: 5/2^+ | F-29: 5/2^+ | F-31: 5/2^+ | 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^- unstable isotopes | F-18 (109.771 min) | F-17 (64.49 s) | F-20 (11.07 s) | F-22 (4.23 s) | F-21 (4.158 s) | F-23 (2.23 s) | F-24 (390 ms) | F-25 (50 ms) | F-26 (9.6 ms) | F-27 (5 ms) | F-29 (2.5 ms) | F-30 (260 ns) | F-31 (250 ns) | F-28 (40 ns) | F-16 (11 zs) | F-15 (0.46 zs) | 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) neutron cross-section | 0.0096 b | 71 b neutron mass absorption | 2×10^-5 m^2/kg |
Identifiers
| fluorine | lithium CAS number | 7782-41-4 | 7439-93-2 PubChem CID number | 24524 | 3028194 Gmelin number | 16281 |