Input interpretation
polyprotic acids | element types
Summary
arsenic | boron | carbon | chromium | hydrogen | nitrogen | oxygen | phosphorus | sulfur | selenium | tellurium
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
atomic symbol | all | As | B | C | Cr | H | N | O | P | S | Se | Te atomic number | median | 15 | highest | 52 (tellurium) | lowest | 1 (hydrogen) | distribution | block | all | d | p | s group | all | 1 | 6 | 13 | 14 | 15 | 16 period | all | 1 | 2 | 3 | 4 | 5 atomic mass | median | 30.973761998 u | highest | 127.6 u (tellurium) | lowest | 1.008 u (hydrogen) | distribution |
Table
sulfuric acid | hydrogen | oxygen | sulfur chromic acid | chromium | hydrogen | oxygen oxalic acid | carbon | hydrogen | oxygen pyrophosphoric acid | hydrogen | oxygen | phosphorus selenic acid | hydrogen | oxygen | selenium sulfurous acid | hydrogen | oxygen | sulfur phosphorous acid | hydrogen | oxygen | phosphorus edetic acid | carbon | hydrogen | nitrogen | oxygen phosphoric acid | hydrogen | oxygen | phosphorus arsenic acid, solid | arsenic | hydrogen | oxygen malonic acid | carbon | hydrogen | oxygen phthalic acid | carbon | hydrogen | oxygen citric acid | carbon | hydrogen | oxygen hydrogen selenide | hydrogen | selenium ascorbic acid | carbon | hydrogen | oxygen succinic acid | carbon | hydrogen | oxygen tellurous acid | hydrogen | oxygen | tellurium carbonic acid | carbon | hydrogen | oxygen hydrogen sulfide | hydrogen | sulfur boric acid | boron | hydrogen | oxygen
Thermodynamic properties
phase at STP | all | gas | solid melting point | median | 221 °C | highest | 3550 °C (carbon) | lowest | -259.14 °C (hydrogen) | distribution | boiling point | median | 614 °C | highest | 4027 °C (carbon) | lowest | -252.87 °C (hydrogen) | distribution | critical temperature | median | 154.59 K | highest | 1766 K (selenium) | lowest | 32.97 K (hydrogen) | distribution | critical pressure | median | 5.043 MPa | highest | 27.2 MPa (selenium) | lowest | 1.293 MPa (hydrogen) molar heat of fusion | median | 5.4 kJ/mol | highest | 105 kJ/mol (carbon) | lowest | 0.222 kJ/mol (oxygen) | distribution | molar heat of vaporization | median | 26 kJ/mol | highest | 715 kJ/mol (carbon) | lowest | 0.452 kJ/mol (hydrogen) | distribution | specific heat at STP | median | 710 J/(kg K) | highest | 14300 J/(kg K) (hydrogen) | lowest | 201 J/(kg K) (tellurium) adiabatic index | all | 7/5 (properties at standard conditions)
Material properties
density | median | 2.26 g/cm^3 | highest | 7.19 g/cm^3 (chromium) | lowest | 8.99×10^-5 g/cm^3 (hydrogen) | distribution | liquid density | median | 4.605 g/cm^3 | highest | 6.3 g/cm^3 (chromium) | lowest | 1.819 g/cm^3 (sulfur) | distribution | molar volume | median | 16.39 cm^3/mol | highest | 11200 cm^3/mol (hydrogen) | lowest | 4.394 cm^3/mol (boron) Mohs hardness | median | 2.25 | highest | 9.3 (between corundum and diamond) (boron) | lowest | 0.5 (between talc and gypsum) (carbon) | distribution | Vickers hardness | all | 1060 MPa | 1510 MPa | 49000 MPa Brinell hardness | all | 180 MPa | 736 MPa | 1120 MPa | 1440 MPa bulk modulus | median | 27 GPa | highest | 320 GPa (boron) | lowest | 7.7 GPa (sulfur) | distribution | shear modulus | median | 16 GPa | highest | 115 GPa (chromium) | lowest | 3.7 GPa (selenium) Young's modulus | median | 26 GPa | highest | 279 GPa (chromium) | lowest | 8 GPa (arsenic) Poisson ratio | all | 0.21 | 0.33 ultimate tensile strength | all | 2 MPa | 11 MPa refractive index | median | 1.000991 | highest | 2.417 (carbon) | lowest | 1.000132 (hydrogen) sound speed | median | 2980 m/s | highest | 18350 m/s (carbon) | lowest | 317.5 m/s (oxygen) | distribution | thermal expansion | median | 6×10^-6 K^(-1) | highest | 7.1×10^-6 K^(-1) (carbon) | lowest | 4.9×10^-6 K^(-1) (chromium) | distribution | thermal conductivity | median | 0.52 W/(m K) | highest | 140 W/(m K) (carbon) | lowest | 0.02583 W/(m K) (nitrogen) | distribution | (properties at standard conditions)
Electromagnetic properties
resistivity | median | 1×10^-5 Ω m (ohm meters) | highest | 1×10^15 Ω m (ohm meters) (sulfur) | lowest | 1×10^-7 Ω m (ohm meters) (phosphorus) electrical conductivity | median | 100000 S/m (siemens per meter) | highest | 1×10^7 S/m (siemens per meter) (phosphorus) | lowest | 1×10^-15 S/m (siemens per meter) (sulfur) | distribution | volume magnetic susceptibility | median | -1.4×10^-5 | highest | 3.177×10^-4 (chromium) | lowest | -2.43×10^-5 (tellurium) | distribution | mass magnetic susceptibility | median | -5.4×10^-9 m^3/kg (cubic meters per kilogram) | highest | 1.335×10^-6 m^3/kg (cubic meters per kilogram) (oxygen) | lowest | -2.48×10^-8 m^3/kg (cubic meters per kilogram) (hydrogen) | distribution | molar magnetic susceptibility | median | -1.5×10^-10 m^3/mol (cubic meters per mole) | highest | 4.27184×10^-8 m^3/mol (cubic meters per mole) (oxygen) | lowest | -4.98×10^-10 m^3/mol (cubic meters per mole) (tellurium) | distribution | work function | all | 3.75 eV | 4.45 eV | 4.5 eV | 4.95 eV | 5 eV | 5.9 eV
Reactivity
valence | median | 5 | highest | 6 (4 elements) | lowest | 1 (hydrogen) | distribution | electronegativity | median | 2.2 | highest | 3.44 (oxygen) | lowest | 1.66 (chromium) | distribution | electron affinity | median | 78 kJ/mol (kilojoules per mole) | highest | 200 kJ/mol (kilojoules per mole) (sulfur) | lowest | 7 kJ/mol (kilojoules per mole) (nitrogen) | distribution | first ionization energy | median | 999.6 kJ/mol (kilojoules per mole) | highest | 1402.3 kJ/mol (kilojoules per mole) (nitrogen) | lowest | 652.9 kJ/mol (kilojoules per mole) (chromium) | distribution |
Atomic properties
term symbol | all | ^2P_(1/2) | ^2S_(1/2) | ^3P_0 | ^3P_2 | ^4S_(3/2) | ^7S_3 atomic radius | median | 100 pm | highest | 140 pm (chromium and tellurium) | lowest | 25 pm (hydrogen) | distribution | covalent radius | median | 105 pm | highest | 139 pm (chromium) | lowest | 31 pm (hydrogen) | distribution | van der Waals radius | median | 180 pm | highest | 206 pm (tellurium) | lowest | 120 pm (hydrogen) | distribution | (electronic ground state properties)