interactive periodic table showing names, electrons, and oxidation states. visualize trends, 3d orbitals, isotopes, and mix compounds. fully descriptive writeups.

award winning periodic table with user-friendly element data and facts. cool online chemistry videos, dictionary, tools, etc.

advancing excellence, connecting chemical scientists and shaping the future of the chemical sciences for the benefit of humanity.

the definitive online periodic table reference site including technical data, and photographs and descriptions of thousands of samples of the chemical elements.

chem4kids.com! the site that teaches the basics of chemistry to everyone! tutorials on matter, atoms, elements, the periodic table, reactions, and biochemistry.

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iupac serves the international scientific endeavor in the dual function of a basic science and a mission-oriented union. the union is in a unique position

acs is one of the world’s largest scientific societies and the premier home of chemistry professionals. find career opportunities, educational resources, professional development, and much more.

the periodic table, also called as the periodic table of elements, is a classification of elements and atomic types according to their increasing atomic number, as well as chemical and physical properties as well as electron configuration in the outer electron shells.