Periodic table - Chem

The most accurate periodic table app, built for students and chemistry professionals who need reliable data at their fingertips.

COMPLETE ELEMENT DATA
Access detailed information for all 118 elements, including atomic mass, electron configuration, melting and boiling points, density, electronegativity, ionization energy, and oxidation states. All data is verified against IUPAC and NIST standards.

INTERACTIVE LEARNING TOOLS
- Molar Mass Calculator: Enter any chemical formula to instantly calculate molecular weight
- Equation Balancer: Balance chemical equations automatically
- Temperature Slider: See how elements change state from 0K to 6000K in real-time
- Quizzes and Flashcards: Test your knowledge with multiple quiz modes

DESIGNED FOR FOCUS
- Clean, modern interface with no distractions
- Dark and light themes that follow your system preference
- Offline access to all element data
- Save favorites and create custom collections
- Add personal notes to any element

BUILT FOR ACCURACY
Unlike other periodic table apps with outdated or incorrect data, every property in Chem is verified against authoritative sources. No more swapped boiling and melting points.

PRIVACY FIRST
Your favorites, notes, and collections are stored locally on your device. No accounts required. No tracking. No ads.

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PREMIUM FEATURES
Unlock everything with a subscription or one-time purchase:
- Molar mass calculator and equation balancer
- All quiz modes and flashcards
- Saved elements with collections
- Ad-free experience

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/