Input interpretation
Arrhenius bases | element types
Summary
barium | carbon | calcium | cesium | hydrogen | potassium | lithium | nitrogen | sodium | oxygen
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
atomic symbol | all | Ba | C | Ca | Cs | H | K | Li | N | Na | O atomic number | median | 9.5 | highest | 56 (barium) | lowest | 1 (hydrogen) | distribution | block | all | p | s group | all | 1 | 2 | 14 | 15 | 16 period | all | 1 | 2 | 3 | 4 | 6 atomic mass | median | 19.494 u | highest | 137.327 u (barium) | lowest | 1.008 u (hydrogen) | distribution |
Table
lithium hydroxide | hydrogen | lithium | oxygen ammonium hydroxide | hydrogen | nitrogen | oxygen sodium hydroxide | hydrogen | sodium | oxygen lime | calcium | oxygen potassium hydroxide | hydrogen | potassium | oxygen calcium hydroxide | calcium | hydrogen | oxygen sodium acetate | carbon | hydrogen | sodium | oxygen pearl ash | carbon | potassium | oxygen cesium hydroxide | cesium | hydrogen | oxygen barium hydroxide | barium | hydrogen | oxygen
Thermodynamic properties
phase at STP | all | gas | solid melting point | median | 80.55 °C | highest | 3550 °C (carbon) | lowest | -259.14 °C (hydrogen) | distribution | boiling point | median | 821 °C | highest | 4027 °C (carbon) | lowest | -252.87 °C (hydrogen) | distribution | critical temperature | median | 1938 K | highest | 3223 K (lithium) | lowest | 32.97 K (hydrogen) | distribution | critical pressure | median | 9.4 MPa | highest | 67 MPa (lithium) | lowest | 1.293 MPa (hydrogen) | distribution | molar heat of fusion | median | 2.46 kJ/mol | highest | 105 kJ/mol (carbon) | lowest | 0.222 kJ/mol (oxygen) molar heat of vaporization | median | 87.3 kJ/mol | highest | 715 kJ/mol (carbon) | lowest | 0.452 kJ/mol (hydrogen) specific heat at STP | median | 838 J/(kg K) | highest | 14300 J/(kg K) (hydrogen) | lowest | 205 J/(kg K) (barium) | distribution | adiabatic index | all | 7/5 (properties at standard conditions)
Material properties
density | median | 0.912 g/cm^3 | highest | 3.51 g/cm^3 (barium) | lowest | 8.99×10^-5 g/cm^3 (hydrogen) | distribution | liquid density | median | 1.15 g/cm^3 | highest | 3.338 g/cm^3 (barium) | lowest | 0.512 g/cm^3 (lithium) | distribution | molar volume | median | 42.4 cm^3/mol | highest | 11200 cm^3/mol (hydrogen) | lowest | 5.315 cm^3/mol (carbon) Mohs hardness | median | 0.5 | highest | 1.75 (between gypsum and talc) (calcium) | lowest | 0.2 (between talc and gypsum) (cesium) | distribution | Brinell hardness | all | 0.14 MPa | 0.363 MPa | 0.69 MPa | 167 MPa bulk modulus | median | 9.6 GPa | highest | 33 GPa (carbon) | lowest | 1.6 GPa (cesium) | distribution | shear modulus | median | 4.2 GPa | highest | 7.4 GPa (calcium) | lowest | 1.3 GPa (potassium) | distribution | Young's modulus | median | 10 GPa | highest | 20 GPa (calcium) | lowest | 1.7 GPa (cesium) | distribution | Poisson ratio | all | 0.31 ultimate tensile strength | all | 10 MPa | 15 MPa refractive index | median | 1.000284 | highest | 2.417 (carbon) | lowest | 1.000132 (hydrogen) sound speed | median | 2000 m/s | highest | 18350 m/s (carbon) | lowest | 317.5 m/s (oxygen) | distribution | thermal expansion | median | 2.23×10^-5 K^(-1) | highest | 7.1×10^-5 K^(-1) (sodium) | lowest | 7.1×10^-6 K^(-1) (carbon) | distribution | thermal conductivity | median | 61 W/(m K) | highest | 200 W/(m K) (calcium) | lowest | 0.02583 W/(m K) (nitrogen) | distribution | (properties at standard conditions)
Electromagnetic properties
resistivity | median | 9.4×10^-8 Ω m (ohm meters) | highest | 1×10^-5 Ω m (ohm meters) (carbon) | lowest | 3.4×10^-8 Ω m (ohm meters) (calcium) electrical conductivity | median | 1.1×10^7 S/m (siemens per meter) | highest | 2.9×10^7 S/m (siemens per meter) (calcium) | lowest | 100000 S/m (siemens per meter) (carbon) | distribution | volume magnetic susceptibility | median | 5.5×10^-6 | highest | 3.966×10^-5 (barium) | lowest | -1.4×10^-5 (carbon) | distribution | mass magnetic susceptibility | median | 7.7×10^-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 | 2.3×10^-10 m^3/mol (cubic meters per mole) | highest | 4.27184×10^-8 m^3/mol (cubic meters per mole) (oxygen) | lowest | -1.5×10^-10 m^3/mol (cubic meters per mole) (nitrogen) | distribution | work function | all | 1.95 eV | 2.29 eV | 2.36 eV | 2.52 eV | 2.87 eV | 2.93 eV | 5 eV
Reactivity
valence | median | 1.5 | highest | 4 (carbon) | lowest | 1 (5 elements) | distribution | electronegativity | median | 0.99 | highest | 3.44 (oxygen) | lowest | 0.79 (cesium and potassium) | distribution | electron affinity | median | 50.6 kJ/mol (kilojoules per mole) | highest | 153.9 kJ/mol (kilojoules per mole) (carbon) | lowest | 2.37 kJ/mol (kilojoules per mole) (calcium) | distribution | first ionization energy | median | 555 kJ/mol (kilojoules per mole) | highest | 1402.3 kJ/mol (kilojoules per mole) (nitrogen) | lowest | 375.7 kJ/mol (kilojoules per mole) (cesium) | distribution |
Atomic properties
term symbol | all | ^1S_0 | ^2S_(1/2) | ^3P_0 | ^3P_2 | ^4S_(3/2) atomic radius | median | 163 pm | highest | 260 pm (cesium) | lowest | 25 pm (hydrogen) | distribution | covalent radius | median | 147 pm | highest | 244 pm (cesium) | lowest | 31 pm (hydrogen) | distribution | van der Waals radius | median | 170 pm | highest | 275 pm (potassium) | lowest | 120 pm (hydrogen) | distribution | (electronic ground state properties)