please I need help
2. (a) Write all possible transitions for an atom to de-excite from n = 3 ton = 1 level. (b) Calculate the possible wavelengths that would be detected in the spectral lines that result from the above transitions, 3. lodine 131 has 78 neutrons (N = 78) and 53 protons (Z = 53). Calculate its Total BE and BE/nucleon. Mass of lodine 131 = 130.906124u
2. (a) Write all possible transitions for an atom to de-excite from n = 3 ton = 1 level. (b) Calculate the possible wave
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2. (a) Write all possible transitions for an atom to de-excite from n = 3 ton = 1 level. (b) Calculate the possible wave
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