THE BLOG

Tom Greenbowe’s Flash REDOX titration simulation lives!
At least for now. You may know that one of my favorite simulations of all time is an ancient one produced by Tom Greenbowe. It's a favorite of mine since it never fails to be a huge help by being a...

The 10 blog posts ALL #apchemistry students should read
Here's a round up of some of the most popular blog posts that I've written relating to AP Chemistry. Some of these are old posts, some relatively new, but they all hold nuggets of information that...

AP Chemistry exam integrity goes into negative territory for 2021
Let's not bury the lead here. If you thought the AP Chemistry exam in 2020 was a zero integrity farce (spoiler alert, it was), it's going to be much, MUCH worse in 2021. So what's going on? Having...

Quadratics, equilibrium, and AP Chemistry
Here's a common question that I was asked once again today; Adrian, why do some of your materials point to equilibrium problems that contain the need for quadratic equations, when we know that type...

Error in AP Chemistry ‘Exam’ 2020 confirmed
A couple of weeks ago I wrote to Jamie Benigna (Director AP Chemistry Curriculum, Instruction, and Assessment) to ask about an error that I spotted in one of the questions used in the AP Chemistry...

The real lesson for vulnerable teens
If you're an impressionable, highly-strung, high achieving 15 to 18 year old, this AP 'exam' season has been stressful. I get it, I really do. I've been in this game (and a MUCH, MUCH, MUCH higher...

17 TOPICS, OR 6 OR 9 UNITS?
That sounds like a Chicago song, but ... ... in various places on this site, you will see references in the AP sections to "17 TOPICS", "6 UNITS" and "9 UNITS". This can be confusing, so here's the...

So you’ve taken the AP Chem ‘Exam’ in ’20. What will your score be?
Of course, the question above assumes that you managed to upload files today, and/or that your re-take will go smoothly ... but ... ignoring that minor detail ... ... on the face of it, and on the...

Further reasons to not take the AP chemistry ‘exam’ in 2020 as a HS senior
If you are a high school senior preparing to take the AP Chemistry 'exam' in 2020, you may want to think again. There are already a whole host of reasons NOT to take the AP Chemistry 'exam' in 2020....

My position on the 2020 AP Chem ‘exam’
A lot has happened since the College Board first announced that the 2020 AP Chemistry ’exam’ would be going ahead in a vastly modified format. At the beginning of this process there was an enormous...