If an electron falls from the n = 2 to the n = 1 energy levels in a Hydrogen atom what wavelength of light is emitted? A. 1025 nm
B. 97nm
C. 122nm
D. 103nm

Will give ! what are the advantages and disadvantages of nuclear power? check all that apply. one advantage of nuclear energy is that it does not produce carbon dioxide emissions. storage of nuclear waste is a short-term problem associated with nuclear energy. the problem with uranium mining is that a large quantity of uranium must be extracted to meet energy needs because the energy release from uranium fission is so low. safe operation of a nuclear power plant can be jeopardized by a human mistake.

Acontrol during an experiment. might change remains constant does not exist does change

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer