H Helix Chemistry Hub

Chemistry You Can Model

Manipulate 3D molecules, balance equations, run virtual reactions, and master stoichiometry with guided problem solving.

Enter the Lab

What We Offer

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Virtual Lab

Mix reagents, observe reactions, collect data, and analyze results in a safe virtual environment.

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Molecule Viewer

3D interactive models showing bond angles, electron density, and molecular orbitals.

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Equation Balancer

Step-by-step equation balancing tool with stoichiometric ratio calculations.

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Lab Notebooks

Digital lab notebooks with procedure guides, data tables, and calculation templates.

Atomic Structure & Bonding

Explore electron configurations, orbital diagrams, ionic and covalent bonding, Lewis structures, VSEPR theory, and molecular geometry with 3D viewers.

Reactions & Stoichiometry

Classify reaction types, balance equations, perform mole calculations, limiting reagent analysis, and solution stoichiometry with step-by-step guidance.

Organic & Biochemistry

Study functional groups, naming conventions, reaction mechanisms, polymers, and biochemical molecules including proteins, lipids, and nucleic acids.

40+
Virtual Experiments
5,500+
Practice Problems
300+
3D Molecules
4.8/5
Teacher Rating

What Learners Say

Rotating 3D molecules and seeing the actual bond angles made VSEPR theory click instantly.
Emma T., Grade 11
The virtual labs are a lifesaver for schools without full chemistry lab facilities.
Dr. Kim, Chemistry Dept.