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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 › 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_of_El…
    [PDF]

    PERIODIC TABLE OF ELEMENTS - PubChem

    PERIODIC TABLE OF ELEMENTS

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

    Arsenic | As (Element) - PubChem

    Periodic Table element Summary Arsenic Arsenic is a chemical element with symbol As and atomic number 33. Classified as a metalloid, Arsenic is a solid at 25°C (room temperature).

  5. 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

  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 › periodic-table › boiling-point

    Boiling Point | Periodic Table of Elements - PubChem

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

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

    Iron | Fe (Element) - PubChem

    Periodic Table element Summary Iron Iron is a chemical element with symbol Fe and atomic number 26. Classified as a transition metal, Iron is a solid at 25°C (room temperature).

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

    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 element at once.

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

    Oxygen | O (Element) - PubChem

    Periodic Table element Summary 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).