Final answer:
The colored squiggly lines associated with electrons generally indicate electron pair movement in chemical diagrams, while in electrostatic potential maps, different colors represent various electron densities around a molecule.
Step-by-step explanation:
The colored squiggly lines that leave the electrons in a chemical context usually represent the movement of electron pairs. These lines are found in representations such as Lewis diagrams, where bonding pairs of electrons are shown as lines connecting atoms and lone pair of electrons are depicted as pairs of dots. The squiggly lines, often called electron push arrows, indicate the movement of one or two electrons during a chemical reaction, helping to visualize electron flow from a donor atom or molecule to an acceptor.
Furthermore, in an electrostatic potential map, colors are used to depict the electron cloud density around a molecule. The colors on these maps correspond to different electron densities: green indicates a neutral or nonpolar region, red signifies a negatively charged (−) region, blue denotes a positively charged (−+) region, and other colors like yellow and light blue represent gradients between these charges.