Chemistry high school exams

Chemistry high school students and teachers, this is an opportunity to test your chemistry skills and knowledge with other students and high schools across Canada and worldwide.

The Chem 13 News and Avogadro Exams are challenging online exams written by more than 6000 grade 11 and 12 Chemistry high school students every May, and consist of 40 multiple choice questions written in a 75 minute exam period.

**These exams are only available for purchase by a teacher. 

All participants are eligible for a certificate from the University of Waterloo. Top performing students from North America, and their schools, receive a limited-edition plaque featuring an element from our Timeline of Elements poster.

The Chem 13 News Exam is designed for Grade 12 high school chemistry students in their second high school chemistry course. Topics include: organic chemistry, equilibria, kinetics, oxidation-reduction, bonding, structure, reactions, solutions, and gases.

Chem 13 News Exam date: Thursday, May 13, 2021
Ordering deadline for the Chem 13 News Exam: Friday, April 30th

The Avogadro Exam is designed for Grade 11 high school students in their first high school chemistry course. Topics include: structure of matter, bonding, reactions, solutions, and gases. The test includes a few probing and demanding questions on some of the main topics of high school chemistry.

Avogadro Exam date: Thursday, May 20, 2021
Ordering deadline for the Avogadro Exam: Friday, May 7th

Exam results

Chem 13 News and Avogadro Exam results are available to teachers online. Teachers can see how their own students performed on the exam overall, as well as on each question relative to all students who have written the exam. We also publish a summary of exam results from our most recent exams, as well as information about exam awards for the top-performing students.

Please note: Exam results are not used as a criterion for admission to university studies. We do not show or give results to any admissions committee.


If you have any questions, please let us know. Email Kathy Jackson at


Chem 13 News Exam:
Thursday, May 12th

Avogadro Exam:
Thursday, May 19th



Kathy Jackson
Chem 13 News Secretary
Location: C2 280