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.

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

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

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explore the chemical elements through this periodic table

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si tienes dificultades con la formulación entra en esta página. puedes repasar y hacer ejercicios que están corregidos. también puedes encontrar temas y problemas de física y química resueltos.

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

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

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