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  1. Periodic Table of Elements - PubChem

    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, …

  2. Nicotine | C10H14N2 | CID 89594 - PubChem

    Nicotine appears as a colorless to light yellow or brown liquid. Combustible. Toxic by inhalation and by skin absorption. Produces toxic oxides of nitrogen during combustion.

  3. Atomic Radius | Periodic Table of Elements - PubChem

    Explore how atomic radius changes with atomic number in the periodic table of elements via interactive plots.

  4. Plutonium | Pu (Element) - PubChem

    Plutonium forms compounds with a variety of other elements. Plutonium reacts with pure hydrogen, forming plutonium hydrides. It also reacts readily with oxygen, forming PuO and …

  5. Calcium Chloride | CaCl2 | CID 5284359 - PubChem

    Calcium Chloride | CaCl2 | CID 5284359 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities ...

  6. Acetaminophen | C8H9NO2 | CID 1983 - PubChem

    Acetaminophen (paracetamol), also commonly known as Tylenol, is the most commonly taken analgesic worldwide and is recommended as first-line therapy in pain conditions by the World …

  7. GHS Classification Summary - PubChem

    GHS, the Globally Harmonized System of Classification and Labeling of Chemicals, was developed by the United Nations as a way to bring into agreement the chemical regulations …

  8. Beryllium | Be (Element) - PubChem

    Laser Spectroscopy of High Rydberg States of Light Alkaline-Earth Elements: Be and Mg, R. Beigang, D. Schmidt, and P. J. West, J. Phys. (Paris) Colloques 44, C7-229–C7-237 (1983) …

  9. Tungsten | W (Element) - PubChem

    During the formation of the planets, including Earth, the elements hafnium and tungsten were partitioned into silicate minerals (rock forming minerals with silicon-oxygen bonds that …

  10. Xenon | Xe (Element) - PubChem

    Xenon was discovered by Sir William Ramsay, a Scottish chemist, and Morris M. Travers, an English chemist, on July 12, 1898, shortly after their discovery of the elements krypton and neon.