Polyatomic Ion Trainer

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Instructions

Choose the correct name, formula, or charge from four answers. You can also use keys 1-4.
The timer starts when you begin and keeps running during feedback. Missed ions return for more practice.
Every incorrect answer counts, including repeat attempts. Your summary appears automatically after five minutes.

Five-minute quiz · 23 ions · Four choices per question

View the 23 ions included

◷ 5:00

Choose an answer or use keys 1-4.

Five minutes complete

Here’s how you did

Each answer is one attempt. Repeated incorrect answers count again. Unanswered questions do not count.

Your most-missed ions

ZornSciencePractice with purpose. Your answers stay in this tab.CC BY-NC-SA 4.0