The List of data references for chemical elements is divided into datasheets that give values for many properties of the elements, together with various references. Each datasheet is sequenced by atomic number.
References for chemical elements
List of chemical elements — with basic properties like standard atomic weight, m.p., b.p., abundance
Abundance of the chemical elements
Abundances of the elements (data page) — Earth's crust, sea water, Sun and solar system
Abundance of elements in Earth's crust
Atomic radii of the elements (data page) — atomic radius (empirical), atomic radius (calculated), van der Waals radius, covalent radius
Boiling points of the elements (data page) — Boiling point
Critical points of the elements (data page) — Critical point
Densities of the elements (data page) — Density (solid, liquid, gas)
Elastic properties of the elements (data page) — Young's modulus, Poisson ratio, bulk modulus, shear modulus