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  1. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › periodic-table

    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, visualize trends, or …

  2. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › periodic-table › pdf › Periodic_Table_of_El…
    [PDF]

    PERIODIC TABLE OF ELEMENTS - PubChem

    PERIODIC TABLE OF ELEMENTSChemical Group Block 18

  3. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › docs › periodic-table-element-pages

    PubChem Periodic Table and Element pages

    May 8, 2019 · This page presents a wide variety of element information, including atomic properties (electron affinity, electronegativity, ionization potential, oxidation states, electron configuration, etc.) …

  4. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › element › Selenium

    Selenium | Se (Element) - PubChem

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

  5. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › compound › Sodium-chloride

    Sodium Chloride | ClNa | CID 5234 - PubChem

    Sodium chloride, also known as salt, common salt, table salt or halite, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions. Sodium chloride is the …

  6. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › element › Plutonium

    Plutonium | Pu (Element) - PubChem

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

  7. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › element

    Carbon | C (Element) - PubChem

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

  8. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › periodic-table › atomic-radius

    Atomic Radius | Periodic Table of Elements - PubChem

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

  9. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › ptable › atomic-mass

    Atomic Mass | Periodic Table of Elements - PubChem

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

  10. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › element › Beryllium

    Beryllium | Be (Element) - PubChem

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