UTC: Thursday, February 21st, 2019

Subscriber Updates (09-15-14)

AP notes for Unit 01 have been updated with the word ‘left’ replacing with the word ‘right’, on page 34!

Subscriber Updates (09-09-14)

OK, there have been quite a lot of significant additions and updates surrounding the intense activity of the opening of the school year. In the last couple of weeks you may have noticed the following changes; AP Worksheets o1m (Beer’s law) and o1o (organic molecules in Mass Spec) have been added (answers to 01o are […]

Developing more thoughts on PES

When composing this post about the College Board Webinar relating to PES in February of this year, I wrote; The things to take away from these much more complicated spectra for me, are two-fold; (i) Unlike in the simulated spectra, where the intensity (height) of the peak directly relates to the number of electrons in […]

College Board PES Webcast – 6 months late

The College Board finally got around to releasing some official information about PES yesterday, Friday January 31st. This is information that should have been available to teachers BEFORE the new course started in August of 2013, so it’s approximately 6 months late but even though it’s better to be late than never, it still exposes […]

PES – a first attempt at creating a question

As those of us teaching the new AP chemistry curriculum for the first time struggle with the lack of example material and sample questions released by the College Board, we are left to our own devices in terms of generating questions relating to the new topics. I have already taught the new, PES part of […]

4s & 3d, 3d & 4s, Cu & Cr, sloppy Aufbau & Eric Scerri!

Yeah, that’s an inelegant title to say the least, but behind it is an elegant piece of chemistry that is struggling to get recognition. Yesterday I had the enormous pleasure and privilege to chat with UCLA chemistry professor and venerable author and expert on the periodic table, Eric Scerri. Eric and I chatted about a […]

Summary of additions to new AP Chemistry curriculum – PART #1. PES

Following my summary of the new, exclusion statements, this is the first in a series of short blog posts that I intend to write about each of the additions to the new, AP chemistry curriculum. Keep coming back for more as the series progresses. First up, Photoelectron Spectroscopy (PES). OK, I don’t really understand the […]