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P, O

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phosphorus (chemical element) | oxygen (chemical element)
phosphorus (chemical element) | oxygen (chemical element)

Periodic table location

Periodic table location
Periodic table location

Images

Images
Images

Basic elemental properties

| phosphorus | oxygen atomic symbol | P | O atomic number | 15 | 8 short electronic configuration | [Ne]3s^23p^3 | [He]2s^22p^4 Aufbau diagram | 3p 3s | 2p 2s block | p | p group | 15 | 16 period | 3 | 2 atomic mass | 30.973761998 u | 15.999 u half-life | (stable) | (stable)
| phosphorus | oxygen atomic symbol | P | O atomic number | 15 | 8 short electronic configuration | [Ne]3s^23p^3 | [He]2s^22p^4 Aufbau diagram | 3p 3s | 2p 2s block | p | p group | 15 | 16 period | 3 | 2 atomic mass | 30.973761998 u | 15.999 u half-life | (stable) | (stable)

Thermodynamic properties

| phosphorus | oxygen phase at STP | solid | gas melting point | 44.2 °C | -218.3 °C boiling point | 280.5 °C | -182.9 °C critical temperature | | 154.59 K critical pressure | | 5.043 MPa molar heat of fusion | 0.64 kJ/mol | 0.222 kJ/mol molar heat of vaporization | 12.4 kJ/mol | 3.41 kJ/mol specific heat at STP | 769.7 J/(kg K) | 919 J/(kg K) adiabatic index | | 7/5 (properties at standard conditions)
| phosphorus | oxygen phase at STP | solid | gas melting point | 44.2 °C | -218.3 °C boiling point | 280.5 °C | -182.9 °C critical temperature | | 154.59 K critical pressure | | 5.043 MPa molar heat of fusion | 0.64 kJ/mol | 0.222 kJ/mol molar heat of vaporization | 12.4 kJ/mol | 3.41 kJ/mol specific heat at STP | 769.7 J/(kg K) | 919 J/(kg K) adiabatic index | | 7/5 (properties at standard conditions)

Material properties

| phosphorus | oxygen density | 1.823 g/cm^3 | 0.001429 g/cm^3 molar volume | 16.99 cm^3/mol | 11200 cm^3/mol bulk modulus | 11 GPa | refractive index | 1.001212 | 1.000271 sound speed | | 317.5 m/s thermal conductivity | 0.236 W/(m K) | 0.02658 W/(m K) (properties at standard conditions)
| phosphorus | oxygen density | 1.823 g/cm^3 | 0.001429 g/cm^3 molar volume | 16.99 cm^3/mol | 11200 cm^3/mol bulk modulus | 11 GPa | refractive index | 1.001212 | 1.000271 sound speed | | 317.5 m/s thermal conductivity | 0.236 W/(m K) | 0.02658 W/(m K) (properties at standard conditions)

Electromagnetic properties

| phosphorus | oxygen electrical type | conductor | resistivity | 1×10^-7 Ω m (ohm meters) | electrical conductivity | 1×10^7 S/m (siemens per meter) | magnetic type | diamagnetic | paramagnetic volume magnetic susceptibility | -2.06×10^-5 | 1.90772×10^-6 mass magnetic susceptibility | -1.13×10^-8 m^3/kg (cubic meters per kilogram) | 1.335×10^-6 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -3.5×10^-10 m^3/mol (cubic meters per mole) | 4.27184×10^-8 m^3/mol (cubic meters per mole) color | (colorless) | (colorless) refractive index | 1.001212 | 1.000271
| phosphorus | oxygen electrical type | conductor | resistivity | 1×10^-7 Ω m (ohm meters) | electrical conductivity | 1×10^7 S/m (siemens per meter) | magnetic type | diamagnetic | paramagnetic volume magnetic susceptibility | -2.06×10^-5 | 1.90772×10^-6 mass magnetic susceptibility | -1.13×10^-8 m^3/kg (cubic meters per kilogram) | 1.335×10^-6 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -3.5×10^-10 m^3/mol (cubic meters per mole) | 4.27184×10^-8 m^3/mol (cubic meters per mole) color | (colorless) | (colorless) refractive index | 1.001212 | 1.000271

Reactivity

| phosphorus | oxygen valence | 5 | 2 electronegativity | 2.19 | 3.44 electron affinity | 72 kJ/mol (kilojoules per mole) | 141 kJ/mol (kilojoules per mole) first ionization energy | 1011.8 kJ/mol (kilojoules per mole) | 1313.9 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 | 1313.9 kJ/mol | 3388.3 kJ/mol | 5300.5 kJ/mol | 7469.2 kJ/mol | 10989.5 kJ/mol | 13326.5 kJ/mol | 71330 kJ/mol | 84078 kJ/mol
| phosphorus | oxygen valence | 5 | 2 electronegativity | 2.19 | 3.44 electron affinity | 72 kJ/mol (kilojoules per mole) | 141 kJ/mol (kilojoules per mole) first ionization energy | 1011.8 kJ/mol (kilojoules per mole) | 1313.9 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 | 1313.9 kJ/mol | 3388.3 kJ/mol | 5300.5 kJ/mol | 7469.2 kJ/mol | 10989.5 kJ/mol | 13326.5 kJ/mol | 71330 kJ/mol | 84078 kJ/mol
Reactivity
Reactivity

Atomic properties

| phosphorus | oxygen term symbol | ^4S_(3/2) | ^3P_2 atomic radius | 100 pm | 60 pm covalent radius | 107 pm | 66 pm van der Waals radius | 180 pm | 152 pm (electronic ground state properties)
| phosphorus | oxygen term symbol | ^4S_(3/2) | ^3P_2 atomic radius | 100 pm | 60 pm covalent radius | 107 pm | 66 pm van der Waals radius | 180 pm | 152 pm (electronic ground state properties)

Abundances

| phosphorus | oxygen universe abundance | 7×10^-4 mass% | 1 mass% solar abundance | 7×10^-4 mass% | 0.9 mass% meteorite abundance | 0.11 mass% | 40 mass% crust abundance | 0.099 mass% | 46 mass% ocean abundance | 7×10^-6 mass% | 86 mass% human abundance | 1.1 mass% | 61 mass% universe molar abundance | 3×10^-5 mol% | 0.08 mol% solar molar abundance | 3×10^-5 mol% | 0.07 mol% meteorite molar abundance | 0.07 mol% | 48 mol% ocean molar abundance | 1.4×10^-6 mol% | 33 mol% crust molar abundance | 0.07 mol% | 60 mol% human molar abundance | 0.22 mol% | 24 mol%
| phosphorus | oxygen universe abundance | 7×10^-4 mass% | 1 mass% solar abundance | 7×10^-4 mass% | 0.9 mass% meteorite abundance | 0.11 mass% | 40 mass% crust abundance | 0.099 mass% | 46 mass% ocean abundance | 7×10^-6 mass% | 86 mass% human abundance | 1.1 mass% | 61 mass% universe molar abundance | 3×10^-5 mol% | 0.08 mol% solar molar abundance | 3×10^-5 mol% | 0.07 mol% meteorite molar abundance | 0.07 mol% | 48 mol% ocean molar abundance | 1.4×10^-6 mol% | 33 mol% crust molar abundance | 0.07 mol% | 60 mol% human molar abundance | 0.22 mol% | 24 mol%

Nuclear properties

| phosphorus | oxygen half-life | (stable) | (stable) stable isotopes | P-31 (100%) | O-16 (99.762%) | O-18 (0.2%) | O-17 (3.8×10^-4) 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^+ | O-12: 0^+ | O-13: 3/2^- | O-14: 0^+ | O-15: 1/2^- | O-16: 0^+ | O-17: 5/2^+ | O-18: 0^+ | O-19: 5/2^+ | O-20: 0^+ | O-21: 5/2^+ | O-22: 0^+ | O-23: 1/2^+ | O-24: 0^+ | O-25: 3/2^+ | O-26: 0^+ | O-27: 3/2^+ | O-28: 0^+ 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) | O-15 (122.24 s) | O-14 (70.606 s) | O-19 (26.88 s) | O-20 (13.51 s) | O-21 (3.42 s) | O-22 (2.25 s) | O-23 (82 ms) | O-24 (65 ms) | O-13 (8.58 ms) | O-27 (260 ns) | O-28 (100 ns) | O-25 (50 ns) | O-26 (40 ns) | O-12 (1.14 zs) neutron cross-section | 0.18 b | 2.8×10^-4 b neutron mass absorption | 2×10^-4 m^2/kg | 1×10^-6 m^2/kg
| phosphorus | oxygen half-life | (stable) | (stable) stable isotopes | P-31 (100%) | O-16 (99.762%) | O-18 (0.2%) | O-17 (3.8×10^-4) 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^+ | O-12: 0^+ | O-13: 3/2^- | O-14: 0^+ | O-15: 1/2^- | O-16: 0^+ | O-17: 5/2^+ | O-18: 0^+ | O-19: 5/2^+ | O-20: 0^+ | O-21: 5/2^+ | O-22: 0^+ | O-23: 1/2^+ | O-24: 0^+ | O-25: 3/2^+ | O-26: 0^+ | O-27: 3/2^+ | O-28: 0^+ 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) | O-15 (122.24 s) | O-14 (70.606 s) | O-19 (26.88 s) | O-20 (13.51 s) | O-21 (3.42 s) | O-22 (2.25 s) | O-23 (82 ms) | O-24 (65 ms) | O-13 (8.58 ms) | O-27 (260 ns) | O-28 (100 ns) | O-25 (50 ns) | O-26 (40 ns) | O-12 (1.14 zs) neutron cross-section | 0.18 b | 2.8×10^-4 b neutron mass absorption | 2×10^-4 m^2/kg | 1×10^-6 m^2/kg

Identifiers

| phosphorus | oxygen CAS number | 7723-14-0 | 7782-44-7 PubChem CID number | | 977
| phosphorus | oxygen CAS number | 7723-14-0 | 7782-44-7 PubChem CID number | | 977

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