THE BLOG
Here’s the chronological listing (newest first) of all the posts since THE BLOG’S inception in 2006 to the present
AP CHEMISTRY SUMMER WORKSHOPS 2026 CANCELLED
AN IMPORTANT UPDATE ON AP SUMMER WORKSHOPS: Please Read. Why are you receiving this email? Because you have signed up for, and paid for, the AP Chemistry Summer Workshop 2026 at Adrian Dingle's...
2026, 5(b), why orbitals get Bent out of shape, and the rule that redefines angles
As time has passed, and as the AP exam has been devastated in terms of its difficulty, I've decreasingly seen questions that pique my interest. Approximately once every decade the AP exam throws up...
Thoughts on the 2026 Released AP Chemistry Exam
If you're looking for my answers to the released 2026 Free Response Questions, you'll need to wait a little while. There are plenty of people who have worked these problems already, and nobody needs...
A tangible reason to kick BCA to the curb
I've always hated BCA tables. As such, I've never used them so don't need to 'kick them to the curb', but you should. I've hated them mostly because it's just another one of those things that in my...
Will the College Board’s incompetence ever end?
Having screwed-up the original administration of the 2025 AP Chemistry FRQs by failing to listen to just about everyone on Earth that knows anything about AP Chemistry, the College Board followed-up...
Fully customized personal tutoring plans are increasingly popular
“Let me be clear, these are not always traditional homeschoolers (although sometimes they are), rather they are students who are deciding to follow a hybrid model, of working in schools as traditional students, but additionally adding customized, personal programs … “
AP Chemistry 2025
Released FRQ Commentary and DRAFT Answers
EDIT: Final Answers are published here The 2025 FRQs were perhaps a modicum harder than 2024, but how could that possibly have not been the case? Even with a touch more difficulty the questions...
The College Board make (another) inexcusable error
Following umpteen other missteps, most notably literally allowing cheating on the AP exams in 2020 and in 2021 by having zero control over who was in the room with students when they took the exam...
Are we teaching correct Chemistry?
Actually, it doesn’t matter
It wasn't that long ago that we were teaching that d-orbitals were involved in the hybridization process of species with more than four electron domains around the central atom, and that AP exam...
When a single word in the CED might just matter
I talk about the importance of referencing the CED all the time. What that actually means is the importance of understanding and interpreting the TOPIC LOs and their associated Essential Knowledge...
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