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