Number of Syllables
DI a gram
1. What do the symbols in this circuit diagram mean, and is the diagram sensible?
direct current (DC)
alternating current (AC)
2. Many of your students draw impossible diagrams of reaction mechanisms. Tell them what features to look out for, to check their work.
violations of the octet rule
arrows "pushing" electrons the wrong way
dipoles with the wrong polarity
negative or positive charges in high-energy positions