Periodic Table - Chem

The most accurate and comprehensive periodic table app for students, teachers, and chemistry enthusiasts. All 118 elements with IUPAC/NIST verified data, available completely offline. COMPLETE ELEMENT DATABASE Browse all 118 elements with detailed information including atomic properties, physical properties, electron configurations, isotopes, discovery history, and real-world applications. Every data point is triple-verified against official IUPAC and NIST sources. MULTIPLE TABLE LAYOUTS View the periodic table in standard 18-column format, extended 32-column wide table with inline f-block elements, or as a scrollable list sorted by atomic number. Switch between layouts instantly. INTERACTIVE FEATURES - Temperature slider: See which elements are solid, liquid, or gas at any temperature from 0K to 6000K - Compare mode: Select two elements for side-by-side property comparison - Search: Find elements by name, symbol, or atomic number with fuzzy matching - Filters: Filter by category, state of matter, or electron block LEARNING TOOLS - Quiz modes: Test yourself with name-to-symbol, symbol-to-name, and atomic number quizzes - Flashcards: Study elements with flip-card animations - Difficulty levels: Beginner (elements 1-20), Intermediate (1-54), or Expert (all 118) CHEMISTRY CALCULATORS - Molar mass calculator: Enter formulas like H2SO4, Ca(OH)2, or CuSO4.5H2O to get precise molecular weights with element breakdowns - Chemical equation balancer: Automatically balance any chemical equation - Unit converter: Convert between temperature, mass, volume, pressure, and amount units PERSONALIZATION - Favorite elements for quick access - Personal notes on any element - Choose Celsius or Kelvin for temperature display - Light mode, dark mode, or match your system setting DESIGNED FOR LEARNING Clean, distraction-free interface optimized for studying. No ads interrupting your learning. Responsive design works beautifully on phones and tablets in both portrait and landscape orientations. PRIVACY FIRST No tracking. No analytics. No account required. Your favorites and notes stay on your device. Only network access is for processing in-app purchases. Perfect for high school chemistry, college courses, exam preparation, or anyone curious about the elements that make up our universe. Download Chem and have the entire periodic table in your pocket.