Periodic Table for Chemists

Chemistry Reference Tool

Free · Designed for iPad

The definitive periodic table for chemists and students. Comprehensive element data, 11 electronegativity scales, and powerful search: all offline. The complete periodic table app for chemists, students, and science enthusiasts. Built on a comprehensive chemistry database, this app delivers professional-grade element data in a beautiful, intuitive interface. COMPREHENSIVE ELEMENT DATA • All 118 elements with extensive properties • Atomic mass, density, melting/boiling points • Electron configuration and orbital structure • Ionization energies and atomic radii • Crystal structure and lattice parameters • Oxidation states and chemical reactivity ADVANCED CHEMISTRY TOOLS • 11 electronegativity scales (Pauling, Sanderson, Allen, Mulliken, and more) • Effective nuclear charge (Zeff) calculations using Slater's rules • Electronic structure visualization • Valence electron identification • Chemical reactivity indicators POWERFUL SEARCH & ORGANIZATION • Instant search by element name, symbol, or atomic number • Filter by category (metals, nonmetals, noble gases, etc.) • Browse by period, group, or block • Save favorites for quick access • Add personal notes to elements BEAUTIFUL INTERFACE • Interactive periodic table with smooth zoom and pan • Category-based color coding • Dark mode support • Optimized for iPhone and iPad • Accessibility features built-in PROFESSIONAL DATA SOURCES All data is sourced from authoritative references including NIST, IUPAC, and peer-reviewed scientific literature. The app uses the same comprehensive database that powers the mendeleev Python library, trusted by researchers worldwide. WORKS OFFLINE All element data is bundled with the app. No internet connection required for core functionality: perfect for classrooms, labs, and field work. PERFECT FOR: • Chemistry students studying atomic structure • Research chemists needing quick reference data • Educators teaching periodic trends • Anyone fascinated by the elements Whether you're memorizing electron configurations, comparing electronegativity values, or exploring chemical properties, this app provides the depth and accuracy you need. Download the definitive periodic table reference today.

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This version of Periodic Table for Chemists includes language improvements

Version 1.0.3

The developer, Hans Joachim Weidmann, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Seller
      • Hans Joachim Weidmann
    • Size
      • 14.9 MB
    • Category
      • Education
    • Compatibility
      Requires iOS 17.4 or later.
      • iPhone
        Requires iOS 17.4 or later.
      • iPad
        Requires iPadOS 17.4 or later.
      • Mac
        Requires macOS 14.4 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.1 or later.
    • Languages
      English and 10 more
      • English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Thai
    • Age Rating
      4+
    • Copyright
      • © 2026 Jogicodes
  • Developer Website
  • Privacy Policy

    • More by Hans Joachim Weidmann