Periodic table - Chem

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

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

INTERACTIVE LEARNING TOOLS

• Molar Mass Calculator: Enter any chemical formula to instantly calculate molecular weight
• Equation Balancer: Automatically balance chemical equations
• Temperature Slider: Watch how elements change state from 0K to 6000K in real time
• Quizzes and Flashcards: Practise 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 favourites 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BUILT FOR ACCURACY Unlike other periodic table apps with outdated or incorrect data, every property in Chem is verified against authoritative sources.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 favourites, notes, and collections are stored locally on your device. No accounts needed. No tracking. No ads.

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/