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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, …

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

    Periodic Table - PubChem

    May 8, 2019 · Clicking an element in the PubChem Periodic Table directs you to the corresponding Element page. This page presents a wide variety of element information, …

  3. nih.gov
    https://pubchem.ncbi.nlm.nih.gov

    PubChem

    PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and …

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

    PERIODIC TABLE OF ELEMENTS - PubChem

    PERIODIC TABLE OF ELEMENTS

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

    PERIODIC TABLE OF ELEMENTS - PubChem

    PERIODIC TABLE OF ELEMENTSChemical Group Block 18

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

    PERIODIC TABLE OF ELEMENTS - PubChem

    PERIODIC TABLE OF ELEMENTSElectronegativity 18

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

    Xenon | Xe (Element) - PubChem

    Periodic Table element Summary Xenon Xenon is a chemical element with symbol Xe and atomic number 54. Classified as a noble gas, Xenon is a gas at 25°C (room temperature).

  8. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › ptable › electronegativity

    Electronegativity | Periodic Table of Elements - PubChem

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

  9. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › element › Aluminum

    Aluminum | Al (Element) - PubChem

    Resources on Isotopes-Periodic Table-Aluminum, United States Geological Survey (2014), Feb. 24; http://wwwrcamnl.wr.usgs.gov/isoig/period/al_iig.html. [120] D. E. Granger. Geol. Soc. …

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

    Selenium | Se (Element) - PubChem

    https://www.nist.gov/pml/database-disclaimer Selenium https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=34 IUPAC Periodic Table of the Elements and Isotopes (IPTEI)