Open any element and read its place in the table against the elements around it: its group and period, its radii, its electronegativity, its first ionisation energy, and where its name comes from.
The same sheet drives the other tools here — colour the table by any property, plot one property against another, fill the orbitals shell by shell, or read the isotopes and the pattern they give a mass spectrum.
The periodic table, read every way a chemistry course asks for. This tool needs JavaScript; these are the pages it offers: