Feb 14, 2020 | Significant Figures |
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...
Aug 13, 2015 | 2013-14 Curriculum, AP, College Board |
It’s that time of year when one of the (for me) dreaded conversations has to take place in the chemistry classroom; significant figures. I hate them, I really do, and for me this is a problem for the math department and not me. IMO it only serves to distract...
Mar 19, 2015 | AP, Big Idea 6 |
In a quick addition to this post and this post, here’s a note about pH and significant figures. Firstly the ‘rule’. When taking the log of a number that is expressed in scientific notation (as hydrogen (hydronium) ion and hydroxide ion concentration...
Mar 19, 2015 | 2013-14 Curriculum, AP, Unit 0 |
What’s the deal? Good question! As far as I am aware (happy to be corrected), there has never been a clear, written policy on this matter from the College Board – yet ANOTHER failure to communicate; AP Chemistry Czar anyone? However, there was a...
