How could you improve your dichotomous key?

Based on the equation and the information in the table, what is the enthalpy of the reaction?

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

This statement about matter and its behavior is best classified as a