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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 › 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, including atomic properties …

  3. nih.gov
    https://pubchem.ncbi.nlm.nih.gov › periodic-table › ionization-energy

    Ionization Energy | Periodic Table of Elements - PubChem

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

  4. 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.

  5. 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.

  6. 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).

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

    Density | Periodic Table of Elements - PubChem

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

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

    Iridium | Ir (Element) - PubChem

    Periodic Table element Summary Iridium Iridium is a chemical element with symbol Ir and atomic number 77. Classified as a transition metal, Iridium is a solid at 25°C (room temperature).

  9. 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.

  10. 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