Periodic Table Pocket vs Elementa

**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 teacher teaching aid - Research work data queries - Chemistry enthusiast knowledge exploration **App Features** - Accurate data: Based on authoritative chemistry databases - Beautiful interface: Modern design style - Smooth operation: Optimized user experience - Rich content: Covers all aspects of elements - Continuous updates: Regular addition of new features Download Periodic Table Pocket and start your chemistry exploration journey!

Elementa is a modern chemistry companion designed for students, teachers, and anyone interested in chemistry. Whether you're studying for an exam, solving homework, or exploring the periodic table, Elementa provides fast access to essential chemical information and practical study tools. Features - Interactive periodic table with detailed information for every element - atomic number, mass, electron configuration, oxidation states, electronegativity, and more - Orbital diagram for each element - Spectrum lines for each element - 3D atomic model for each element - 3D Crystal lattice for each element - Reaction helper - Formula solver - Molar mass calculator - Dilution calculator - pH/pOH calculator - Gas law solver - Unit converter - Study mode: Flash cards - Study mode: Guess the symbol quiz - Study mode: Guess the name quiz - Study mode: Oxidation states quiz Perfect for: - High school students - University students - Chemistry teachers - Science enthusiasts Whether you're learning the basics or reviewing advanced concepts, Elementa helps make chemistry easier to understand.