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The characteristic emission from Ca occurs at 422

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The characteristic emission from Ca occurs at 422.7 nm, corresponding to a 4p to 4S transition. a. Calculate the energy of the 4p orbital. Calculate Zeff for a 4 p electron. b. The same 4p to 43 transition in K occurs at 769 nm. Calculate the energy of the 4p orbital in K and Zeff for this electron. 0. Explain the differences between your answers to a. and b.