Free Chemistry Tools for Students

Interactive periodic table, calculators, and learning resources. Built by a Chemistry PhD.

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Free Chemistry Tools

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Interactive Periodic Table

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All 118 elements with properties, isotope data, and periodic trends visualization.

  • 6 color modes (element type, electronegativity, density, etc.)
  • Isotope data for 108 elements from NIH PubChem
  • Detailed element pages with atomic properties
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Built by a Chemistry Expert

ChemWhiz is created by Dr. Daniel Tofan, PhD in Inorganic Chemistry (Georgetown University) with 12+ years of experience teaching chemistry, 15+ years of software engineering, and 4+ years of VP/CTO experience.

The learning methodology is based on a published 500-page workbook that reduced student failure rates by 25-50%.

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