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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. Periodic Table - PubChem

    May 8, 2019 · Table View is the traditional periodic table any scientist would instantly recognize. List View provides a summary view, allowing you to see all properties available for each …

  3. Oxygen | O (Element) - PubChem

    Periodic Table Oxygen Oxygen is a chemical element with symbol O and atomic number 8. Classified as a nonmetal, Oxygen is a gas at 25°C (room temperature).

  4. Density | Periodic Table of Elements - PubChem

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

  5. Atomic Radius | Periodic Table of Elements - PubChem

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

  6. Cobalt | Co (Element) - PubChem

    Chemical element, Cobalt, information from authoritative sources. Look up properties, history, uses, and more.

  7. Niobium | Nb (Element) - PubChem

    https://www.nist.gov/pml/database-disclaimer Niobium https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=41 IUPAC Periodic Table of the Elements and Isotopes (IPTEI)

  8. Ionization Energy | Periodic Table of Elements - PubChem

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

  9. Docs - PubChem

    As we mark the 150th anniversary of the periodic table, the scientific community has declared 2019 to be “The International Year of the Periodic Table”. PubChem is celebrating by …

  10. Aluminum | Al (Element) - PubChem

    Chemical element, Aluminum, information from authoritative sources. Look up properties, history, uses, and more.