Chemical elements data references

Recommended values for many properties of the elements, together with various references, are collected on these data pages.

 References 
 List of elements — atomic mass, atomic number, symbol, name
 Electron configurations of the elements (data page) — Electron configuration
 Densities of the elements (data page) — Density (solid, liquid, gas)
 Electron affinity (data page) — Electron affinity
 Melting points of the elements (data page) — Melting point
 Boiling points of the elements (data page) — Boiling point
 Critical points of the elements (data page) — Critical point
 Heats of fusion of the elements (data page) — Heat of fusion
 Heats of vaporization of the elements (data page) — Heat of vaporization
 Heat capacities of the elements (data page) — Heat capacity
 Vapor pressures of the elements (data page) — Vapor pressure
 Electronegativities of the elements (data page) — Electronegativity (Pauling scale)
 Ionization energies of the elements (data page) — Ionization energy (in eV) and molar ionization energies (in kJ/mol)
 Atomic radii of the elements (data page) — atomic radius (empirical), atomic radius (calculated), van der Waals radius, covalent radius
 Electrical resistivities of the elements (data page) — Electrical resistivity
 Thermal conductivities of the elements (data page) — Thermal conductivity
 Thermal expansion coefficients of the elements (data page) — Thermal expansion
 Speeds of sound of the elements (data page) — Speed of sound
 Elastic properties of the elements (data page) — Young's modulus, Poisson ratio, bulk modulus, shear modulus
 Hardnesses of the elements (data page) — Mohs hardness, Vickers hardness, Brinell hardness
 Abundances of the elements (data page) — Earth's crust, sea water, Sun and solar system
 List of oxidation states of the elements — Oxidation state

 Periodic table