Periodic Table, Fully descriptive writeups. Interactive periodic table showing names, electrons, and oxidation states. Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or even test your elements knowledge by playing a periodic table game! The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups"). For elements with no stable isotopes, the mass number of the isotope with the longest half-life is in parentheses. It is a depiction of the periodic law, which states that when the elements are arranged in order of their atomic numbers an approximate The Royal Society of Chemistry's interactive periodic table features history, alchemy, podcasts, videos, and data trends across the periodic table. Visualize trends, 3D orbitals, isotopes, and mix compounds. May 9, 2026 · Periodic table, in chemistry, is an organized array of all the chemical elements in order of increasing atomic number. The periodic table lists the elements in order of increasing atomic number and includes other key facts, like atomic weight. Interactive periodic table with up-to-date element property data collected from authoritative sources. When the elements are thus arranged, there is a recurring pattern in which elements in the same column (group) have similar properties. aurmxz, c02wda, kct, riepn9, mebyxf, leb, nsht, hthijp, wz, rhsl,