About 40,200 results
Open links in new tab
  1. Periodic Table - Ptable - Properties

    Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix …

  2. Periodic Table of Elements - PubChem

    Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element …

  3. Periodic table - Wikipedia

    In the standard periodic table, the elements are listed in order of increasing atomic number. A new row (period) is started when a …

  4. PERIODIC Definition & Meaning - Merriam-Webster

    6 days ago · The meaning of PERIODIC is occurring or recurring at regular intervals. How to use periodic in a sentence.

  5. Zperiod: Interactive Periodic Table (118 Elements, 3D Atom Models)

    Zperiod is a complete interactive periodic table with 118 elements, 3D atom models, ions, chemistry tools, and worksheet practice for …

  6. Periodic table | Definition, Elements, Names, Symbols, Groups, …

    Jul 27, 2026 · periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number …

  7. Periodic Table – Royal Society of Chemistry

    Interactive periodic table with element scarcity (SRI), discovery dates, melting and boiling points, group, block and period information.

  8. Free Printable Periodic Tables (PDF and PNG)

    These periodic tables use accurate data for name, atomic number, element symbol, atomic weight, and electron configuration, …

  9. Periodic table - Simple English Wikipedia, the free encyclopedia

    The periodic classification of elements is a systematic way of organizing elements based on their chemical and physical properties. …

  10. Periodic Table of Elements - American Chemical Society

    Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic …