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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 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.

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

    All 118 elements with category color-coding, phase data at STP, and instant access to comprehensive chemical information. Interactive 3D atom structures with electron shells, swipeable info cards, and …

  5. 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 …

  6. 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.

  7. Element List – Element Names, Symbols, and Atomic Numbers

    May 17, 2014 · This handy element list includes each element's name, atomic number, and element symbol arranged by atomic number. Download or print the PDF.

  8. Periodic Labs

    And so, at Periodic, we are building AI scientists and the autonomous laboratories for them to operate. Until now, scientific AI advances have come from models trained on the internet.

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

    May 9, 2026 · 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.

  10. Periodic Table

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