phosphorus vs aluminum vs protactinium

phosphorus (chemical element) | aluminum (chemical element) | protactinium (chemical element)

Periodic table location

Images

| phosphorus | aluminum | protactinium atomic symbol | P | Al | Pa atomic number | 15 | 13 | 91 short electronic configuration | [Ne]3s^23p^3 | [Ne]3s^23p^1 | [Rn]7s^25f^26d^1 Aufbau diagram | 3p 3s | 3p 3s | 6d 5f 7s block | p | p | f group | 15 | 13 | period | 3 | 3 | 7 atomic mass | 30.973761998 u | 26.9815385 u | 231.03588 u half-life | (stable) | (stable) | 32790 yr

| phosphorus | aluminum | protactinium phase at STP | solid | solid | solid melting point | 44.2 °C | 660.32 °C | 1572 °C boiling point | 280.5 °C | 2519 °C | 4000 °C molar heat of fusion | 0.64 kJ/mol | 10.7 kJ/mol | 15 kJ/mol molar heat of vaporization | 12.4 kJ/mol | 293 kJ/mol | 470 kJ/mol specific heat at STP | 769.7 J/(kg K) | 904 J/(kg K) | 99.1 J/(kg K) (properties at standard conditions)

| phosphorus | aluminum | protactinium density | 1.823 g/cm^3 | 2.7 g/cm^3 | 15.37 g/cm^3 liquid density | | 2.375 g/cm^3 | (unknown) molar volume | 16.99 cm^3/mol | 10 cm^3/mol | 15.032 cm^3/mol Mohs hardness | | 2.75 (between calcite and gypsum) | (unknown) Vickers hardness | | 167 MPa | (unknown) Brinell hardness | | 245 MPa | (unknown) bulk modulus | 11 GPa | 76 GPa | (unknown) shear modulus | | 26 GPa | (unknown) Young's modulus | | 70 GPa | (unknown) Poisson ratio | | 0.35 | (unknown) refractive index | 1.001212 | | (unknown) sound speed | | 5100 m/s | (unknown) thermal expansion | | 2.31×10^-5 K^(-1) | (unknown) thermal conductivity | 0.236 W/(m K) | 235 W/(m K) | 47 W/(m K) (properties at standard conditions)

| phosphorus | aluminum | protactinium electrical type | conductor | conductor | conductor resistivity | 1×10^-7 Ω m (ohm meters) | 2.6×10^-8 Ω m (ohm meters) | 1.8×10^-7 Ω m (ohm meters) electrical conductivity | 1×10^7 S/m (siemens per meter) | 3.8×10^7 S/m (siemens per meter) | 5.6×10^6 S/m (siemens per meter) magnetic type | diamagnetic | paramagnetic | paramagnetic volume magnetic susceptibility | -2.06×10^-5 | 2.11×10^-5 | 4.995×10^-4 mass magnetic susceptibility | -1.13×10^-8 m^3/kg (cubic meters per kilogram) | 7.8×10^-9 m^3/kg (cubic meters per kilogram) | 3.25×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -3.5×10^-10 m^3/mol (cubic meters per mole) | 2.1×10^-10 m^3/mol (cubic meters per mole) | 7.509×10^-9 m^3/mol (cubic meters per mole) work function | | (4.06 to 4.26) eV | threshold frequency | | (9.817×10^14 to 1.03×10^15) Hz (hertz) | superconducting point | | 1.175 K (kelvins) | 1.4 K (kelvins) color | (colorless) | (silver) | (silver) refractive index | 1.001212 | | (unknown)

| phosphorus | aluminum | protactinium valence | 5 | 3 | 5 electronegativity | 2.19 | 1.61 | 1.5 electron affinity | 72 kJ/mol (kilojoules per mole) | 42.5 kJ/mol (kilojoules per mole) | (unknown) first ionization energy | 1011.8 kJ/mol (kilojoules per mole) | 577.5 kJ/mol (kilojoules per mole) | 568 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 | 577.5 kJ/mol | 1816.7 kJ/mol | 2744.8 kJ/mol | 11577 kJ/mol | 14842 kJ/mol | 18379 kJ/mol | 23326 kJ/mol | 27465 kJ/mol | 31853 kJ/mol | 38473 kJ/mol | 568 kJ/mol

Reactivity

| phosphorus | aluminum | protactinium term symbol | ^4S_(3/2) | ^2P_(1/2) | ^4K_(11/2) atomic radius | 100 pm | 125 pm | 180 pm covalent radius | 107 pm | 121 pm | 200 pm van der Waals radius | 180 pm | | (unknown) (electronic ground state properties)

| phosphorus | aluminum | protactinium universe abundance | 7×10^-4 mass% | 0.005 mass% | solar abundance | 7×10^-4 mass% | 0.006 mass% | meteorite abundance | 0.11 mass% | 0.91 mass% | crust abundance | 0.099 mass% | 8.1 mass% | 9.9×10^-13 mass% ocean abundance | 7×10^-6 mass% | 5×10^-7 mass% | 2×10^-23 mass% human abundance | 1.1 mass% | 9×10^-5 mass% | 0 mass% universe molar abundance | 3×10^-5 mol% | 2×10^-4 mol% | solar molar abundance | 3×10^-5 mol% | 3×10^-4 mol% | meteorite molar abundance | 0.07 mol% | 0.67 mol% | ocean molar abundance | 1.4×10^-6 mol% | 1.1×10^-7 mol% | 5×10^-6 mol% crust molar abundance | 0.07 mol% | 6.3 mol% | 9×10^-6 mol% human molar abundance | 0.22 mol% | 2.1×10^-5 mol% | 0 mol%