Match the given chemicals to their use

What is the maximum number of electrons that an atomic orbital can contain?

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

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