Chemistry Lab — Interactive Molecules & Reactions

Chemistry Lab

Visualize molecules in 3D, explore the periodic table, and run interactive chemical reaction simulations. Powered by PDB, PhET, and open science.

63D Molecules

118Elements

3Reaction Sims

100%Free

🧪 Protein Data Bank — Real Molecular Structures

3D Molecular Viewer

Drag to rotate, scroll to zoom, and switch rendering styles. Real structures from the Protein Data Bank.

🖱 Click any atom to inspect

🌐 Toggle orbital shells below viewer

🔎 Scroll to zoom • Drag to rotate

🧸

Hemoglobin

PDB: 1A3N — Oxygen transport protein

▶ Click to Load 3D

Interactive • Drag to rotate • Scroll to zoom

Hemoglobin PDB: 1A3N • Carries oxygen in red blood cells

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DNA Double Helix

PDB: 1BNA — B-DNA dodecamer

▶ Click to Load 3D

Interactive • Drag to rotate • Scroll to zoom

DNA Double Helix PDB: 1BNA • The blueprint of life

🔭 More Structures to Explore

More Molecules to Explore

Click any card to load the interactive 3D viewer. Switch between cartoon, stick, and sphere views.

☕

Caffeine

PDB: 2A2K

▶ Load

Caffeine

C₈H₁₀N₄O₂ • Found in coffee & tea

💉

Insulin

PDB: 4INS

▶ Load

Insulin

Regulates blood sugar • Pancreas hormone

💧

Water (H₂O)

Ball-and-stick model

▶ Load

Water

H₂O • The molecule of life

💊

Aspirin

PDB: 6MQF

▶ Load

Aspirin

C₉H₈O₄ • World's most common drug

📈 All 118 Elements

Interactive Periodic Table

Explore every element. Click to see properties, electron configurations, atomic models, and more.

📈

Interactive Periodic Table

ptable.com — Click any element for full details

▶ Click to Load

118 elements • Properties • Electron configs

⚗ PhET Interactive Simulations — University of Colorado

Chemical Reactions

Build molecules, balance equations, and see how reactants combine into products. Powered by PhET.

🧪 Reactants, Products & Leftovers

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Reactants, Products & Leftovers

PhET — See what happens when chemicals react

▶ Click to Load Simulation

Interactive • Drag molecules • Observe reactions

🎓 PhET — University of Colorado

🔨 Build a Molecule

🔨

Build a Molecule

PhET — Snap atoms together to form molecules

▶ Click to Load Simulation

Interactive • Drag atoms • Build molecules

🎓 PhET — University of Colorado

⚖ Balancing Chemical Equations

⚖

Balancing Chemical Equations

PhET — Balance equations by adjusting coefficients

▶ Click to Load Simulation

Interactive • Adjust coefficients • Check your work

🎓 PhET — University of Colorado