Input interpretation
arsenic (chemical element) | nitrogen (chemical element) | phosphorus (chemical element)
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
| arsenic | nitrogen | phosphorus atomic symbol | As | N | P atomic number | 33 | 7 | 15 short electronic configuration | [Ar]4s^23d^104p^3 | [He]2s^22p^3 | [Ne]3s^23p^3 Aufbau diagram | 4p 3d 4s | 2p 2s | 3p 3s block | p | p | p group | 15 | 15 | 15 period | 4 | 2 | 3 atomic mass | 74.921595 u | 14.007 u | 30.973761998 u half-life | (stable) | (stable) | (stable)
Thermodynamic properties
| arsenic | nitrogen | phosphorus phase at STP | solid | gas | solid melting point | 817 °C | -210.1 °C | 44.2 °C boiling point | 614 °C | -195.79 °C | 280.5 °C critical temperature | | 126.21 K | critical pressure | | 3.39 MPa | molar heat of fusion | 27.7 kJ/mol | 0.36 kJ/mol | 0.64 kJ/mol molar heat of vaporization | 32.4 kJ/mol | 2.79 kJ/mol | 12.4 kJ/mol specific heat at STP | 328 J/(kg K) | 1040 J/(kg K) | 769.7 J/(kg K) adiabatic index | | 7/5 | (properties at standard conditions)
Material properties
| arsenic | nitrogen | phosphorus density | 5.727 g/cm^3 | 0.001251 g/cm^3 | 1.823 g/cm^3 liquid density | 5.22 g/cm^3 | | molar volume | 13.08 cm^3/mol | 11200 cm^3/mol | 16.99 cm^3/mol Mohs hardness | 3.5 (between calcite and fluorite) | | Vickers hardness | 1510 MPa | | Brinell hardness | 1440 MPa | | bulk modulus | 22 GPa | | 11 GPa Young's modulus | 8 GPa | | refractive index | 1.001552 | 1.000298 | 1.001212 sound speed | | 333.6 m/s | thermal conductivity | 50 W/(m K) | 0.02583 W/(m K) | 0.236 W/(m K) (properties at standard conditions)
Electromagnetic properties
| arsenic | nitrogen | phosphorus electrical type | conductor | | conductor resistivity | 3×10^-7 Ω m (ohm meters) | | 1×10^-7 Ω m (ohm meters) electrical conductivity | 3.3×10^6 S/m (siemens per meter) | | 1×10^7 S/m (siemens per meter) magnetic type | diamagnetic | diamagnetic | diamagnetic volume magnetic susceptibility | -2.23×10^-5 | -6.8×10^-9 | -2.06×10^-5 mass magnetic susceptibility | -3.9×10^-9 m^3/kg (cubic meters per kilogram) | -5.4×10^-9 m^3/kg (cubic meters per kilogram) | -1.13×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -2.92×10^-10 m^3/mol (cubic meters per mole) | -1.5×10^-10 m^3/mol (cubic meters per mole) | -3.5×10^-10 m^3/mol (cubic meters per mole) work function | 3.75 eV (Polycrystalline) | | threshold frequency | 9.067×10^14 Hz (hertz) | | color | (silver) | (colorless) | (colorless) refractive index | 1.001552 | 1.000298 | 1.001212
Reactivity
| arsenic | nitrogen | phosphorus valence | 5 | 3 | 5 electronegativity | 2.18 | 3.04 | 2.19 electron affinity | 78 kJ/mol (kilojoules per mole) | 7 kJ/mol (kilojoules per mole) | 72 kJ/mol (kilojoules per mole) first ionization energy | 947 kJ/mol (kilojoules per mole) | 1402.3 kJ/mol (kilojoules per mole) | 1011.8 kJ/mol (kilojoules per mole) ionization energies | 947 kJ/mol | 1798 kJ/mol | 2735 kJ/mol | 4837 kJ/mol | 6043 kJ/mol | 12310 kJ/mol | 1402.3 kJ/mol | 2856 kJ/mol | 4578.1 kJ/mol | 7475 kJ/mol | 9444.9 kJ/mol | 53266.6 kJ/mol | 64360 kJ/mol | 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
Reactivity
Atomic properties
| arsenic | nitrogen | phosphorus term symbol | ^4S_(3/2) | ^4S_(3/2) | ^4S_(3/2) atomic radius | 115 pm | 65 pm | 100 pm covalent radius | 119 pm | 71 pm | 107 pm van der Waals radius | 185 pm | 155 pm | 180 pm (electronic ground state properties)
Abundances
| arsenic | nitrogen | phosphorus universe abundance | 8×10^-7 mass% | 0.1 mass% | 7×10^-4 mass% solar abundance | | 0.1 mass% | 7×10^-4 mass% meteorite abundance | 1.8×10^-4 mass% | 0.14 mass% | 0.11 mass% crust abundance | 2.1×10^-4 mass% | 0.002 mass% | 0.099 mass% ocean abundance | 2.3×10^-7 mass% | 5×10^-5 mass% | 7×10^-6 mass% human abundance | 5×10^-6 mass% | 2.6 mass% | 1.1 mass% universe molar abundance | 1×10^-8 mol% | 0.009 mol% | 3×10^-5 mol% solar molar abundance | | 0.009 mol% | 3×10^-5 mol% meteorite molar abundance | 4.6×10^-5 mol% | 0.14 mol% | 0.07 mol% ocean molar abundance | 1.9×10^-8 mol% | 2.2×10^-5 mol% | 1.4×10^-6 mol% crust molar abundance | 5.8×10^-5 mol% | 0.0029 mol% | 0.07 mol% human molar abundance | 4×10^-7 mol% | 1.2 mol% | 0.22 mol%