Which R do I use?

Which R do I use?

Which R do I use? It’s a common question for chemistry students, and when it comes to the AP chemistry exam there is a choice of values for the ‘Universal’ Gas Constant. Currently appearing on an AP formula sheet near you, one can find the following;...
Bonding answers AGAIN! Grrr…

Bonding answers AGAIN! Grrr…

I’ve just finished grading a test on bonding done by my AP students, and as usual, there are several issues relating to the phraseology and wording of their answers that need to be corrected. I’ve addressed these problems previously here (and you should...