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Periodic Table for Chemists is made and published by
Hans Joachim Weidmann.
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About Periodic Table for Chemists
Periodic Table for Chemists is an education app developed by Hans Joachim Weidmann.
User Ratings
Periodic Table for Chemists is rated 4.00 out of 5 stars. The rating is based on 2 ratings.
App Information
Periodic Table for Chemists is freely available from the App Store. The app size is 14.67 MB. The latest version available is 1.0.5. The last update was on July 12, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since January 2026.
Description by Hans Joachim Weidmann(from the App Store)
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.
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.
