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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 › 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.

  3. 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

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

    Hydrogen | H (Element) - PubChem

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

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

    Lead | Pb (Element) - PubChem

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

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

    Gold | Au (Element) - PubChem

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

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

    Boron | B (Element) - PubChem

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

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

    PERIODIC TABLE OF ELEMENTS - PubChem

    PERIODIC TABLE OF ELEMENTS

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

    Silver | Ag (Element) - PubChem

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

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

    Chlorine | Cl (Element) - PubChem

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