Inorganic Acids, Ions & Salts

About this app

Learn names and formulas of all important inorganic acids, polyatomic ions and their salts. An app is suitable for everyone: from high school students to chemistry professors. Take a quiz or use the table as a reference. * 70+ inorganic acids: from Sulfuric H2SO4 to Hydrazoic HN3. * 50+ anions and cations: from Chloride Cl(-) to Hydrazinium N2H5(+). * 50+ salts: from Potassium nitrate KNO3 to Ammonium hexachloroplatinate (NH4)2PtCl6. Choose the game mode: * Spelling quizzes. * Multiple-choice questions (with 4 or 6 answer options). * Time game (give as many answers as you can in 1 minute). A learning mode: * Tables. The app is translated into 9 languages, including English, German, French, and many others. So you can learn the names of the acids and ions in any of them. This app is ideal for those studying inorganic chemistry.

This update from Apple will improve the functionality of this app. No new features are included. - Now all questions and game modes are free and available immediately. - Many new features (tables, stars) and improvements in game mechanics. - Translation into Danish language.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Aug 10, 2026 · 10:25 AM $0.99