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 …

PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, …

May 8, 2019 · Clicking an element in the PubChem Periodic Table directs you to the corresponding Element page.

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

PubChem has summary pages specific to chemical elements, and a periodic table.

Interactive periodic table with element scarcity (SRI), discovery dates, melting and boiling points, group, block and period information.

{ "Table": { "Columns": { "Column": [ "AtomicNumber", "Symbol", "Name", "AtomicMass", "CPKHexColor", "ElectronConfiguration", "Electronegativity", "AtomicRadius", "IonizationEnergy", …

"AtomicNumber","Symbol","Name","AtomicMass","CPKHexColor","ElectronConfiguration","Electronegativity","AtomicRadius","IonizationEnergy","ElectronAffinity","OxidationStates","StandardState","MeltingPoint","BoilingPoint","Density","GroupBlock","YearDiscovered" 1,"H","Hydrogen",1.0080,"FFFFFF","1s1",2.2,120,13.598,0.754,"+1, -1","Gas",13.81,20.28,0...

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"). An icon of chemistry, the periodic …

Jun 20, 2026 · The periodic table of the elements contains all of the chemical elements that have been discovered or made; they are arranged, in the order of their atomic numbers, in seven horizontal …