What kind of attraction pulls electrons close to the atomic nucleus?

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

Is it safe to take 450mg of diphenhydramine hydrochloride?

Why sncl2 is solid while sncl4 is liquid at room temprature explain it in easy way