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Calculate the wavelength (in nm) of the photon emitted when the hydrogen atom undergoes a transition from n = 5 to n = 3? Can someone help me with this question?i am not sure how to solve. Find the volume of the parallelepiped determined by j + k, i + j + k? Whatssup? THIS ONE. Solve it chemistry experts? What are the molecular shapes of Carbon? Can you describe them? A periodic wave has a frequency of 7.4 Hz. What is the wave period?