Explore 3D molecules, bond angles, orbitals, polarity, and reaction mechanisms. Free and interactive. No account required.
Twenty-one interactive tools, no sign-up required. Rotate molecules in 3D, trace reaction mechanisms, and build intuition at your own pace.
Explore 3D structures with accurate bond angles, lone pairs, orbital visualization, and symmetry elements.
Visualize bond dipoles, partial charges, and net dipole moments to understand polar vs nonpolar molecules.
Identify hydrogen bonding, dipole-dipole, and London dispersion forces with interactive 3D visualization.
Explore chirality with guided R/S walkthroughs. Rotate, assign priorities, and learn CIP rules step by step.
Visualize Newman projections, chair flips, and energy diagrams for cyclic and acyclic molecules.
Name alkanes, alkenes, alkynes, cycloalkanes, alcohols, and halides step by step with highlighted parent chains and substituents in 3D.
Identify hydroxyl, carbonyl, carboxylic acid, amine, ester, and more on 3D molecules with guided walkthroughs.
Build dot structures with guided walkthroughs for valence electrons, bonds, lone pairs, formal charges, and resonance.
Predict 3D molecular shapes from Lewis structures. See the Lewis structure and 3D geometry side by side.
Watch s and p orbitals mix into sp, sp2, and sp3 hybrids with animated 3D visualization and guided walkthroughs.
Visualize electron orbital filling with the aufbau principle, Hund's rule, and Pauli exclusion. See s, p, and d orbital shapes in 3D.
Compare constitutional isomers, enantiomers, diastereomers, and meso compounds side-by-side in sync-rotating 3D.
Watch reactions unfold step by step with animated electron flow arrows and 3D molecular changes.
Browse all 118 elements with trend overlays for electronegativity, atomic radius, ionization energy, and electron affinity.
Learn Bronsted-Lowry definitions, identify conjugate pairs, compare pKa values, and classify strong vs weak acids and bases.
Compare acid strength side-by-side with 3D molecules. Learn how atom size, electronegativity, resonance, induction, and hybridization affect acidity.
Classify ionic, polar covalent, and nonpolar covalent bonds by electronegativity difference with interactive 3D molecules.
Balance equations with animated atom count bars, convert moles, find limiting reagents, and calculate percent yield.
Learn Le Chatelier's principle, write Keq expressions, solve ICE tables, and compare Q vs K with interactive visualizations.
Search any molecule by name or SMILES and view its 3D structure with bond angles, lone pairs, hybridization, and orbitals.
Learn to read IR spectra by clicking peaks and watching bonds vibrate on 3D molecules. Identify functional groups from characteristic absorptions.
Interpret chemical shifts, splitting patterns, and integration. Click NMR signals to highlight equivalent hydrogens on 3D molecules.
Explore how mirror-image drug molecules produce different effects. Compare thalidomide, ibuprofen, and more side-by-side in 3D.
900+ scored practice problems across 18 topics with spaced repetition that tracks what you know and surfaces what needs review. Take timed practice exams with preset or custom topic mixes, and study your way with Full, Quick, and Mixed question modes.
Unlock all practice modules for $32. Less than one month of Chegg and a fraction of any textbook.
See Practice ModulesEvery 3D viewer has a Share button. Download high-res images and animated GIFs, or embed interactive viewers directly in your course materials.
High-resolution screenshots at 2x scale. Drop them straight into PowerPoint, Google Slides, or Keynote.
Rotating 3D molecules as looping GIFs. Perfect for slides that need to show spatial structure.
Copy an iframe snippet to embed interactive 3D viewers in your LMS, website, or course page.
Share a link that opens the exact molecule, view angle, and settings you were looking at.
The molecule library, polarity explorer, intermolecular forces, reaction animations, and learn guides are all free. No sign-up, no credit card.
Browse Molecules