Chemistry Tools

Free tools to help you learn and practice chemistry. More tools launching soon.

Featured Tool

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Interactive Periodic Table

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Explore all 118 elements with detailed properties, isotope data, and periodic trends.

  • 6 color modes (element type, electronegativity, density, phase, block, period)
  • Isotope data for 108 elements from NIH PubChem
  • Detailed element pages with atomic properties
  • Search by name, symbol, or atomic number

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Significant Figures

Master sig figs rules with interactive examples. Count significant figures, round correctly, and practice calculations.

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Unit Converter

Convert between chemistry units: temperature (K/°C/°F), pressure (atm/Pa/mmHg), concentration (M/mM/ppm), and more.

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Molar Mass Calculator

Calculate molar mass for any chemical formula instantly. Enter a formula like H₂SO₄ and get the molecular weight with element breakdown.

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Equation Balancer

Balance chemical equations with step-by-step guidance. Learn the process, not just the answer.

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On the Roadmap

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Structured Learning

197 learning objectives covering all of General Chemistry. Step-by-step problem solving with detailed explanations.

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Practice Problems

Interactive worksheets with instant feedback. Practice stoichiometry, balancing equations, and more.

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AI Chemistry Tutor

Get help from an AI that actually understands chemistry. Fine-tuned on proven teaching methodology.

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