P, F

phosphorus (chemical element) | fluorine (chemical element)

Periodic table location

Images

| phosphorus | fluorine atomic symbol | P | F atomic number | 15 | 9 short electronic configuration | [Ne]3s^23p^3 | [He]2s^22p^5 Aufbau diagram | 3p 3s | 2p 2s block | p | p group | 15 | 17 period | 3 | 2 atomic mass | 30.973761998 u | 18.998403163 u half-life | (stable) | (stable)

| phosphorus | fluorine phase at STP | solid | gas melting point | 44.2 °C | -219.6 °C boiling point | 280.5 °C | -188.12 °C critical temperature | | 144.13 K critical pressure | | 5.172 MPa molar heat of fusion | 0.64 kJ/mol | 0.26 kJ/mol molar heat of vaporization | 12.4 kJ/mol | 3.27 kJ/mol specific heat at STP | 769.7 J/(kg K) | 824 J/(kg K) adiabatic index | | 7/5 (properties at standard conditions)

| phosphorus | fluorine density | 1.823 g/cm^3 | 0.001696 g/cm^3 molar volume | 16.99 cm^3/mol | 11200 cm^3/mol bulk modulus | 11 GPa | refractive index | 1.001212 | 1.000195 thermal conductivity | 0.236 W/(m K) | 0.0277 W/(m K) (properties at standard conditions)

| phosphorus | fluorine electrical type | conductor | resistivity | 1×10^-7 Ω m (ohm meters) | electrical conductivity | 1×10^7 S/m (siemens per meter) | magnetic type | diamagnetic | volume magnetic susceptibility | -2.06×10^-5 | mass magnetic susceptibility | -1.13×10^-8 m^3/kg (cubic meters per kilogram) | molar magnetic susceptibility | -3.5×10^-10 m^3/mol (cubic meters per mole) | color | (colorless) | (colorless) refractive index | 1.001212 | 1.000195

| phosphorus | fluorine valence | 5 | 1 electronegativity | 2.19 | 3.98 electron affinity | 72 kJ/mol (kilojoules per mole) | 328 kJ/mol (kilojoules per mole) first ionization energy | 1011.8 kJ/mol (kilojoules per mole) | 1681 kJ/mol (kilojoules per mole) ionization energies | 1011.8 kJ/mol | 1907 kJ/mol | 2914.1 kJ/mol | 4963.6 kJ/mol | 6273.9 kJ/mol | 21267 kJ/mol | 25431 kJ/mol | 29872 kJ/mol | 35905 kJ/mol | 40950 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

| phosphorus | fluorine term symbol | ^4S_(3/2) | ^2P_(3/2) atomic radius | 100 pm | 50 pm covalent radius | 107 pm | 57 pm van der Waals radius | 180 pm | 147 pm (electronic ground state properties)

| phosphorus | fluorine universe abundance | 7×10^-4 mass% | 4×10^-5 mass% solar abundance | 7×10^-4 mass% | 5×10^-5 mass% meteorite abundance | 0.11 mass% | 0.0087 mass% crust abundance | 0.099 mass% | 0.054 mass% ocean abundance | 7×10^-6 mass% | 1.3×10^-4 mass% human abundance | 1.1 mass% | 0.0037 mass% universe molar abundance | 3×10^-5 mol% | 3×10^-6 mol% solar molar abundance | 3×10^-5 mol% | 3×10^-6 mol% meteorite molar abundance | 0.07 mol% | 0.0097 mol% ocean molar abundance | 1.4×10^-6 mol% | 4.2×10^-5 mol% crust molar abundance | 0.07 mol% | 0.059 mol% human molar abundance | 0.22 mol% | 0.0012 mol%

| phosphorus | fluorine half-life | (stable) | (stable) stable isotopes | P-31 (100%) | F-19 (100%) nuclear spin | P-24: 1^+ | P-25: 1/2^+ | P-26: 3^+ | P-27: 1/2^+ | P-28: 3^+ | P-29: 1/2^+ | P-30: 1^+ | P-31: 1/2^+ | P-32: 1^+ | P-33: 1/2^+ | P-34: 1^+ | P-35: 1/2^+ | P-36: 4^- | P-37: 1/2^+ | P-39: 1/2^+ | P-41: 1/2^+ | P-43: 1/2^+ | P-45: 1/2^+ | 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 | P-33 (25.34 days) | P-32 (14.262 days) | P-30 (149.9 s) | P-35 (47.3 s) | P-34 (12.43 s) | P-36 (5.6 s) | P-29 (4.142 s) | P-37 (2.31 s) | P-38 (640 ms) | P-39 (280 ms) | P-28 (270.3 ms) | P-27 (260 ms) | P-40 (125 ms) | P-41 (100 ms) | P-42 (48.5 ms) | P-26 (43.7 ms) | P-43 (36.5 ms) | P-44 (18.5 ms) | P-46 (200 ns) | P-45 (200 ns) | P-25 (30 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 | 0.18 b | 0.0096 b neutron mass absorption | 2×10^-4 m^2/kg | 2×10^-5 m^2/kg

| phosphorus | fluorine CAS number | 7723-14-0 | 7782-41-4 PubChem CID number | | 24524 Gmelin number | | 16281