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  1. Periodic Table - Ptable

    Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.

  2. 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 …

  3. PERIODIC Definition & Meaning - Merriam-Webster

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

  4. Periodic table - Wikipedia

    The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups"). An icon of chemistry, the periodic …

  5. Periodic table | Definition, Elements, Groups, Charges, Trends, & Facts ...

    Oct 27, 2025 · periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number —i.e., the total number of protons in the atomic nucleus.

  6. Periodic Table – Royal Society of Chemistry

    The Royal Society of Chemistry's interactive periodic table features history, alchemy, podcasts, videos, and data trends across the periodic table. Click the tabs at the top to explore each section.

  7. Periodic Table 2026 - Complete, Updated, Online, and 3D Interactive

    Explore the Complete and Updated Periodic Table (2026). An online, interactive and dynamic version with 2D and 3D atoms, atomic models by Dalton, Thomson, Rutherford-Bohr and Schrodinger, …

  8. Periodic Table

    Interactive periodic table of the chemical elements; Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more.

  9. Periodic Table - Definition, Mass & Names Of Chemical Elements

    Interactive periodic table of elements - your complete guide to the elements including definition, mass & names of each chemical in the periodic table.

  10. Periodic Table of Elements (Interactive Table) | Periodic Table Guide

    The Ultimate Periodic Table Resource. Your go-to source for everything periodic table of Elements: Interactive Table, labeled charts, guides, articles, and more.