Zperiod
Verified working Aug 19, 2026
A visual chemistry study table with 3D atoms and worksheet practice.
Zperiod is an interactive chemistry learning site centered on a full 118-element periodic table. It combines element reference data with 3D atom and orbital models, ion information, equation-balancing tools, molar-mass calculations, solubility references, a virtual lab, and printable worksheet generation for secondary-school chemistry.
Why it stands out
- Combines reference, visualization, calculators, and worksheet practice in one chemistry-focused workspace.
- Includes 3D orbital models, not just static element cards or property tables.
- Worksheet generator supports multiple reaction types, difficulty levels, answer keys, and print-ready output.
- Designed around high-school chemistry rather than broad professional chemical databases.
- Offers unusually broad language coverage for a student periodic-table tool.
Good to know
- The full interactive 3D experience is intended for desktop browsers; smaller devices may be limited or require landscape orientation.
- Its learning scope is aimed mainly at Grade 9–12 chemistry, not advanced research chemistry or laboratory-grade simulation.
- The virtual lab is described as a visual pseudo-liquid particle model, so it should not be treated as a precise physical simulation.
Under the radar: Check the Settings panel before studying or printing: you can change atomic-mass precision and switch temperature, density, and energy units to match your class conventions.
Photos

Grade 9–12 chemistry students and teachers can use it to connect periodic-table facts with visual atomic models and practice problems. Review element properties, phases, categories, ions, and electron-shell structure before a quiz or test. Generate balanced-equation worksheets with selectable reaction types and difficulty levels. Use the tools workspace to balance equations, calculate molar mass, and check solubility rules during homework. Explore s, p, d, and f orbital shapes in 3D when learning atomic structure.
Interactive 118-element periodic table; 3D atom models with electron shells; SPDF orbital atlas; ion information; equation balancer; molar-mass calculator; solubility table; virtual beaker lab; worksheet generator with PDF/print support; multilingual interface and unit/precision settings.
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Similar sites elsewhere
- Ptable — ptable.com
- Royal Society of Chemistry Periodic Table — rsc.org/periodic-table
- PubChem Periodic Table — pubchem.ncbi.nlm.nih.gov/periodic-table
- ChemCollective — chemcollective.org
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