Adrian Dingle’s Chemistry Pages

The home on the web of chemistry author, writer, educator and tutor, Adrian Dingle

AP Chemistry

Crash Course

3rd Edition

The best-selling review book that cuts straight to the chase, and delivers higher scores on the AP chemistry exam. NEW, 3rd Edition, updated for the 2020 exam, now on Amazon.

The Blog

Significant Figures etc. on the AP exam

Significant Figures etc. on the AP exam

In this post I'm going to attempt to outline a 'definitive' guide to handling significant figures, mathematical operations, and the use of units on the AP chemistry exam. I should state at the outset that it's simply not easy to do that (make a definitive statement),...

2020 AP Chemistry Infographic

2020 AP Chemistry Infographic

The 2020 AP Chemistry Infographic is shown below in its PNG form. Alternatively, you may download a pdf version if you prefer that format. Please feel free to use liberally both electronically and in hard-copy. Hopefully everything is self-explanatory (after all...

My conversation with the AP Chem Czar

My conversation with the AP Chem Czar

Last week I had the opportunity to speak with the AP chemistry Czar. He kindly offer to call me to discuss my concerns over the misrepresentation of the term Steady State Approximation in the CED. I must admit I was a little taken aback to receive the invitation. He...

Chemistry Tutoring

Many high school students find that chemistry is a challenging subject for a variety of reasons. Those reasons include the intellectual demands of the subject, difficulties with the mathematical aspects of chemistry, and problems associated with the instruction they are receiving at school (often related to issues such as class size, teaching styles and other agendas). As a result, many students will fail to reach their full potential in the subject.

Private chemistry tutoring will help the student reach that potential.

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“We would like to thank you for helping our son develop proficiency in AP Chemistry and especially in developing critical thinking skills in this subject. For a sophomore student he has come a long way in understanding complex areas of the subject and your teaching helped him substantially.” – R in NJ, USA


“I got a 5 on AP chemistry and a 770 on the subject test. Thank you so much for all your help this year. I couldn’t have done it without you.” – Vivian in CT, USA