Periodic Table

This extension is the official companion to ThePeriodicTable.org, a free educational platform covering all 118 elements with 3D Bohr model visualizations, crystal structures, electron configurations, text-to-speech pronunciation, and detailed atomic properties. ──────────────────────────────────────── FEATURES ──────────────────────────────────────── 🔍 INSTANT ELEMENT SEARCH Click the toolbar icon to open a fast, searchable element lookup. Type any element name, symbol, or atomic number and get results in milliseconds — no need to open a full browser tab. 🗂️ FILTER BY CATEGORY Browse elements by category with one click: • Alkali Metals • Alkaline Earth Metals • Transition Metals • Post-Transition Metals • Metalloids • Nonmetals • Halogens • Noble Gases • Lanthanides • Actinides ⭐ BOOKMARKS Save your most-used or favorite elements with a single click. Access all your saved elements instantly from the "Saved" tab in the popup, or from the floating panel on the website. 🖱️ RIGHT-CLICK LOOKUP Highlight any element name or symbol on any webpage — "Iron", "Au", "Helium" — right-click and select "Look up on Periodic Table" to jump straight to that element's detail page with 3D visualizations and full properties. 🌐 ON-SITE ENHANCEMENTS While browsing https://theperiodictable.org, a floating bookmark button appears on every element page so you can save elements without leaving the page. A bookmarks panel lets you quickly jump between your saved elements. ──────────────────────────────────────── WHY INSTALL THIS EXTENSION? ──────────────────────────────────────── Whether you're a student, teacher, researcher, or chemistry enthusiast, this extension saves you time. Instead of searching the web or opening a new tab every time you need element data, the answer is always one click away — right in your toolbar. Perfect for: • Students studying for chemistry exams • Teachers preparing lesson materials • Researchers who frequently look up atomic properties • Anyone curious about the elements around them ──────────────────────────────────────── PRIVACY ──────────────────────────────────────── This extension does not collect, transmit, or share any personal data. Bookmarks are stored locally in your browser using Chrome's built-in storage API and never leave your device. ──────────────────────────────────────── ABOUT THE WEBSITE ──────────────────────────────────────── ThePeriodicTable.org is a free, modern interactive periodic table featuring: • All 118 elements with detailed atomic properties • 3D Bohr model visualizations • Crystal structure diagrams • Electron configuration notation • Text-to-speech element pronunciation • Responsive design for all devices Visit the full site for the complete interactive experience.