HESI A2 Chemistry Practice Test

Take a HESI A2 chemistry practice test to see how much you know.

Our exams use questions that test the same topics as the actual exam. We require no registration and have detailed answer explanations!

Feeling confident after using these exams? Prepare for another subject on the exam by using our other HESI A2 practice tests.

HESI Chemistry Prep

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HESI A2 Chemistry Overview

The HESI chemistry section has the following format:

  • 30 Questions
  • 25 Minutes

The topics covered on the chemistry portion of the exam include:

  • Scientific Notation
  • Metric System
  • Atomic Structure
  • Periodic Table
  • Chemical Equations
  • Chemical Reactions
  • Stoichiometry
  • Oxidation and Reduction
  • Acids and Bases
  • Nuclear Chemistry
  • Biochemistry

An infographic showing an overview of the HESI chemistry exam

If you want to prepare for other sections of the exam, you can answer additional HESI A2 questions on our hub page.

Frequently Asked Questions

There are 30 total questions on HESI chemistry.

You will have 25 minutes to complete this section. You will need to spend less than 50 seconds per question to keep pace on this section.

Technically, no. Each school sets their own standards. With that being said, most schools require a minimum score above 75%.

Jan Olson
Dr. Jan Olson has her Bachelor's degree in nursing, Master's degree in nursing, and Doctorate in nursing.