Explore elements with detailed properties including isotopes, melting and boiling points, and Latin names. Filter elements based on custom criteria. View data in multiple languages and temperature units. Share element information and access images.
Learn concepts through clear explanations, visual aids, and interactive content. Explore tables, chemical reactions, and molecular structures. Test knowledge with quizzes and practice problems. Access detailed facts and diagrams without ads.
Access element data including atomic mass, density, melting and boiling points, atomic radius, and electronegativity. Tap elements to view Wikipedia pages for detailed information.
For exams with video lessons, multiple-choice quizzes, and spaced repetition questions. Access free content including daily quizzes and popular videos. Subscribe for unlimited access to all materials.
Learn through an adaptive spaced repetition system that adjusts review intervals based on recall performance. Study symbols, names, and periodic table relationships with structured lessons.
Calculate molecular weights with a dedicated organic chemistry calculator. Long-press elements for details. Input elements, numbers, and parentheses for real-time results. Access a full-sized periodic table with combined periods 1, 2, and 3.
Explore 3D models of elements categorized into diatomic nonmetals, noble gases, alkali metals, and other groups. View atomic weight, neutron count, proton count, electron count, and shell configuration for each element.
Test knowledge of chemical elements by identifying symbols within a minute. Answer or for oxygen's symbol. Share scores on social media. Compete on leaderboards and earn achievements through Game Center.