Periodic Table Pocket

**Explore the Fascinating World of the Periodic Table**

Periodic Table Pocket is your professional chemistry companion that provides comprehensive and accurate element information for learners and researchers, featuring TTS voice playback and integrated Study & Quiz modes. Whether you're a chemistry beginner or a professional researcher, this pocket-sized app meets your needs.

**Core Features**

**Interactive Periodic Table**
- Standard 18-column × 7-row periodic table layout
- Support for 0.3x-3.0x zoom and free dragging
- Color-coded by element category for clarity
- Horizontal and vertical ruler navigation

**Export & Share Features**
- One-tap export of complete periodic table HD images
- Save to photo album or share to other apps
- Perfect for teaching and learning needs

**Detailed Element Information**
- Complete data for all 118 elements
- Basic info: atomic number, symbol, name, atomic weight
- Physical properties: melting point, boiling point, density, state
- Electronic structure: electron configuration, ionization energy
- Discovery information: discoverer, namer, discovery time

**Visual Learning**
- High-definition Bohr atomic model images
- Interactive 3D atomic models (rotatable and scalable)
- Real element spectral images
- Professional data visualization charts

**TTS Voice Playback**
- One-tap pronunciation of element names, auto language matching
- Play/stop control, optimized slow speech rate
- Smart fallback to English when a locale is unavailable

**Study & Quiz System**
- Study mode: instant feedback, practice by element category
- Quiz mode: records score, accuracy and time; three question types (symbol↔name, number→symbol)
- History & Stats: total tests, average score, highest score, average accuracy

**Multi-Language Support**
- Support for 24 languages (see in-app and README)
- Automatic system language detection + in-app language switching

**Practical Tools**
- Favorites: Mark commonly used elements
- Search: Quick element location
- **Export & Share**: One-tap export of complete periodic table HD images, save to album or share to other apps
- **Study & Quiz**: dual modes with selectable question types
- **History & Stats**: quiz records with score, accuracy and time
- Offline use: No internet connection required

**Use Cases**
- Middle school chemistry course learning
- University chemistry major reference
- Chemistry te