The Avogadro Exam is designed for high school students who have completed, or are nearing completion of, their first high school chemistry course. The exam consists of 40 multiple-choice questions under the general headings of:  Structure of Matter, Bonding, Reactions, Solutions, and Gases.

This is an international exam with participants from across Canada, the United States and around the world.  Prizes or certificates are given to the top performers.

Before submitting your order, visit our website for more information, including answers to frequently asked questions.  Registration for the Avogadro Exam should be completed only once per high school so please be sure to select the appropriate number of exams being ordered (one exam per student).  

NOTE TO TEACHERS: After the purchase is made on this website, your school will be automatically registered for the exam. You will receive further instructions, including login information for our online exam platform, on or around May 12th.

Please be sure to set your shipping address to that of your High School or Teaching Institution.


Please note, there are no refunds available. 

Avogadro Exam 2023

  • Sale
  • $4