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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 › 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.

  4. 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

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

    PERIODIC TABLE OF ELEMENTS - PubChem

    PERIODIC TABLE OF ELEMENTS

  6. 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.

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

    Lead | Pb (Element) - PubChem

    https://www.nist.gov/pml/database-disclaimer Lead https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=82 IUPAC Periodic Table of the Elements and Isotopes …

  8. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › element › Copper

    Copper | Cu (Element) - PubChem

    https://www.nist.gov/pml/database-disclaimer Copper https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=29 IUPAC Periodic Table of the Elements and Isotopes …

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

    PERIODIC TABLE OF ELEMENTS - PubChem

    PERIODIC TABLE OF ELEMENTSElectronegativity 18

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

    Krypton | Kr (Element) - PubChem

    Periodic Table element Summary Krypton Krypton is a chemical element with symbol Kr and atomic number 36. Classified as a noble gas, Krypton is a gas at 25°C (room temperature).