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...
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significant figures
More on Sig. Figs and the AP Exam. Wha…..???
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...
pH and significant figures
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...
Significant figures on the AP Chemistry exam
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...