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 the with 3D models of all elements. Tap to view detailed information including symbol, atomic mass, and physical properties. Search for elements and rotate 3D models for interactive learning. No registration or payment required.
Solve math problems step-by-step with detailed explanations. Input equations to see solutions. Learn algebra, functions, fractions, and graphs. Verify answers and track progress. Supports multiple math topics including linear and quadratic functions.
Explore an interactive periodic table with element details and properties. Play an educational game hosted by David Pogue. Watch the full program "Hunting the " for in-depth explanations of element behavior and applications.
Learn with a dynamic periodic table, element details, and polyatomic ions. Explore acid strengths, electronegativity, and reactive series. Access definitions, molar mass calculations, and a unit converter. Quick access to YouTube channels.
Explore elements with detailed properties, historical context, and practical uses. View 3D atomic structures and rotate models. Search for elements by name or symbol. Save favorite elements for quick access.
Create a universe by combining elements like fire, earth, wind, and air. Build and animate planets through element interactions. Explore a challenging "Planet" mode to design your dream universe. Track progress as elements evolve and come to life.
Access element data including atomic number, weight, boiling point, density, molecular formulas, crystal structures, and electron energy levels. View a detailed with element characteristics and relationships.
Chemical SDS Search Tool: Search for chemicals and retrieve SDS information for over 2,400 substances. View safety data including hazards, handling, and disposal instructions.