Periodically Elemental

Explore all 118 elements in an interactive periodic table. Open an element to see its atomic number, atomic mass, physical properties, uses, history and naming origins. Every element includes an offline image. Most show a material sample; elements that cannot be photographed as a stable sample use a labeled context image or illustration. Switch the table between symbols, atomic numbers, images and states of matter. Choose color themes and hear element names with the voices on your device. Reference text and the 118 primary images are included in the app. Choose Load more images online for an additional Wikimedia gallery, or follow the Wikipedia links for further reading. Image creators, source links and licenses appear in the detail screen. Reference text is adapted from Wikipedia under CC BY-SA 4.0. When the app is active and connected, it can download updated reference data and translations from our catalog. Valid updates are cached for later use. Internet access is needed for updates, extra images and external articles.