element types of fluorspar

fluorspar | element types

calcium | fluorine

Periodic table location

Images

| calcium | fluorine atomic symbol | Ca | F atomic number | 20 | 9 short electronic configuration | [Ar]4s^2 | [He]2s^22p^5 Aufbau diagram | 4s | 2p 2s block | s | p group | 2 | 17 period | 4 | 2 atomic mass | 40.078 u | 18.998403163 u half-life | (stable) | (stable)

| calcium | fluorine phase at STP | solid | gas melting point | 842 °C | -219.6 °C boiling point | 1484 °C | -188.12 °C critical temperature | | 144.13 K critical pressure | | 5.172 MPa molar heat of fusion | 8.54 kJ/mol | 0.26 kJ/mol molar heat of vaporization | 155 kJ/mol | 3.27 kJ/mol specific heat at STP | 631 J/(kg K) | 824 J/(kg K) adiabatic index | | 7/5 (properties at standard conditions)

| calcium | fluorine density | 1.55 g/cm^3 | 0.001696 g/cm^3 liquid density | 1.378 g/cm^3 | molar volume | 25.86 cm^3/mol | 11200 cm^3/mol Mohs hardness | 1.75 (between gypsum and talc) | Brinell hardness | 167 MPa | bulk modulus | 17 GPa | shear modulus | 7.4 GPa | Young's modulus | 20 GPa | Poisson ratio | 0.31 | refractive index | | 1.000195 sound speed | 3810 m/s | thermal expansion | 2.23×10^-5 K^(-1) | thermal conductivity | 200 W/(m K) | 0.0277 W/(m K) (properties at standard conditions)

| calcium | fluorine electrical type | conductor | resistivity | 3.4×10^-8 Ω m (ohm meters) | electrical conductivity | 2.9×10^7 S/m (siemens per meter) | magnetic type | paramagnetic | volume magnetic susceptibility | 2.139×10^-5 | mass magnetic susceptibility | 1.38×10^-8 m^3/kg (cubic meters per kilogram) | molar magnetic susceptibility | 5.531×10^-10 m^3/mol (cubic meters per mole) | work function | 2.87 eV (Polycrystalline) | threshold frequency | 6.94×10^14 Hz (hertz) | color | (silver) | (colorless) refractive index | | 1.000195

| calcium | fluorine valence | 2 | 1 electronegativity | 1 | 3.98 electron affinity | 2.37 kJ/mol (kilojoules per mole) | 328 kJ/mol (kilojoules per mole) first ionization energy | 589.8 kJ/mol (kilojoules per mole) | 1681 kJ/mol (kilojoules per mole) ionization energies | 589.8 kJ/mol | 1145.4 kJ/mol | 4912.4 kJ/mol | 6491 kJ/mol | 8153 kJ/mol | 10496 kJ/mol | 12270 kJ/mol | 14206 kJ/mol | 18191 kJ/mol | 20385 kJ/mol | 57110 kJ/mol | 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

Reactivity

| calcium | fluorine term symbol | ^1S_0 | ^2P_(3/2) atomic radius | 180 pm | 50 pm covalent radius | 176 pm | 57 pm van der Waals radius | | 147 pm (electronic ground state properties)

| calcium | fluorine universe abundance | 0.007 mass% | 4×10^-5 mass% solar abundance | 0.007 mass% | 5×10^-5 mass% meteorite abundance | 1.1 mass% | 0.0087 mass% crust abundance | 5 mass% | 0.054 mass% ocean abundance | 4.2×10^-4 mass% | 1.3×10^-4 mass% human abundance | 1.4 mass% | 0.0037 mass% universe molar abundance | 2×10^-4 mol% | 3×10^-6 mol% solar molar abundance | 2×10^-4 mol% | 3×10^-6 mol% meteorite molar abundance | 0.52 mol% | 0.0097 mol% ocean molar abundance | 6.5×10^-5 mol% | 4.2×10^-5 mol% crust molar abundance | 2.6 mol% | 0.059 mol% human molar abundance | 0.22 mol% | 0.0012 mol%

| calcium | fluorine half-life | (stable) | (stable) stable isotopes | Ca-40 (96.94%) | Ca-44 (2.09%) | Ca-42 (0.647%) | Ca-43 (0.135%) | Ca-46 (4×10^-5) | F-19 (100%) nuclear spin | Ca-34: 0^+ | Ca-35: 1/2^+ | Ca-36: 0^+ | Ca-37: 3/2^+ | Ca-38: 0^+ | Ca-39: 3/2^+ | Ca-40: 0^+ | Ca-41: 7/2^- | Ca-42: 0^+ | Ca-43: 7/2^- | Ca-44: 0^+ | Ca-45: 7/2^- | Ca-46: 0^+ | Ca-47: 7/2^- | Ca-48: 0^+ | Ca-49: 3/2^- | Ca-50: 0^+ | Ca-51: 3/2^- | Ca-52: 0^+ | Ca-54: 0^+ | Ca-55: 5/2^- | Ca-56: 0^+ | Ca-57: 5/2^- | 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^+ unstable isotopes | Ca-48 (1.9×10^19 yr) | Ca-41 (0.102 Myr) | Ca-45 (162.61 days) | Ca-47 (108.9 h) | Ca-49 (8.718 min) | Ca-50 (13.9 s) | Ca-51 (10 s) | Ca-52 (4.6 s) | Ca-39 (859.6 ms) | Ca-38 (440 ms) | Ca-37 (181.1 ms) | Ca-36 (102 ms) | Ca-53 (90 ms) | Ca-55 (30 ms) | Ca-35 (25.7 ms) | Ca-56 (10 ms) | Ca-57 (5 ms) | Ca-54 (300 ns) | Ca-34 (35 ns) | 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) neutron cross-section | 0.43 b | 0.0096 b neutron mass absorption | 3.7×10^-4 m^2/kg | 2×10^-5 m^2/kg

| calcium | fluorine CAS number | 7440-70-2 | 7782-41-4 PubChem CID number | 5460341 | 24524 Gmelin number | | 16281