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Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.

Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or …

A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z).

Apr 17, 2026 · To learn an element's name, electron configuration, atomic weight, melting point (MP), and boiling point (BP), select the element from the table.

Mar 21, 2026 · An element is a pure substance made of only one kind of atom, defined by the number of protons in its nucleus. Hydrogen has 1 proton, helium has 2, carbon has 6, gold has 79.

The Chemistry Division's Periodic Table describes the history, properties, resources, uses, isotopes, forms, costs, and other information for each element.