Please answer it I really need this answer to pass thank you

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

What is the percent by mass of oxygen in fe2o3

Which of the following are in a chemical family a. ca, sc, k b. cu, ag, au c. so, ge, sb