Question

which color of the hydrogen spectrum corresponds with an electron jump from energy level 5 to energy level 2?

Answer 1

434 nm so violet or if you will blue

Answer 2

@Kryten I know you are trying to help, but you need to guide the OP to the answer, it's against the rules to give out answers.

Answer 3

@alphadxg this is a concrete question as if he asked what is value of avogadros constant, only thing i could left out is colour and give him wavelenght