DrPhos' Ionic Compounds
Monte L Helm
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About this app
Master Ionic Compounds with Ease The Ionic Compound Builder helps students learn and practice forming correct chemical formulas using a wide range of cations and anions—including polyatomic ions. Simply select a cation and an anion, and the app dynamically generates the proper formula with correct subscripts and parentheses. Designed for high school and college chemistry students, this tool reinforces naming rules and charge balancing through an intuitive, interactive interface. Features: • Extensive built-in list of common cations and anions • Support for monoatomic and polyatomic ions • Real-time chemical formula generation • Proper use of subscripts and parentheses • Visual formatting to emphasize structure and charge Whether you’re learning ionic bonding for the first time or reviewing for an exam, this tool is an essential companion for mastering chemical formulas.
What's new
Version 3.0 · Jul 29, 2025
• Added dozens of new cations and anions, including polyatomic ions • Improved formula rendering with dynamic subscripts and parentheses • Enhanced user interface for smoother ion selection and readability • Fixed formatting issues on larger screens (iPad compatibility improvements)
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