Manganese compounds and a battery

1 Read the question

The question is College Board's, from the 2023 exam. It starts on page 5 of the PDF.

Open Question 1 (PDF, page 5)

2 Write your answer

Answer each part the way you would on the exam, in full sentences, with your work shown. Your writing saves as you type.

1. Part a
2. Part b
3. Part c
4. Part d
5. Part e
6. Part f

3 Score it

Score your answer against College Board's scoring guidelines, one point at a time. Give yourself a point only when your answer says what the guideline asks for.

Scoring guidelines (PDF, page 2) What the exam readers saw (Chief Reader report)