Rec6a_f04 - Recitation Activity 6 (Chem 121) Chapter 6 1....

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Recitation Activity 6 (Chem 121) Chapter 6 1. Consider the following 3 electronic transitions in a hydrogen atom that produce photons of electromagnetic radiation with wavelengths depicted by waves 1-3. a. An electron relaxing from n = 2 to n = 1 (transition A) b. An electron relaxing from n = 4 to n = 2 (transition B) c. An electron relaxing from n = 4 to n = 3 (transition C) (a) Of the three electromagnetic waves shown above (1, 2 or 3) which one: Has the highest frequency? 3 Has the highest energy? 3 Has the longest wavelength? 1 Would be emitted following transition C? 1 Would be emitted following transition A? 3 (b) What equation relates all 3 of the above (frequency, wavelength and energy)? E=h ν E = h c / λ (c) Use the Bohr model of the hydrogen atom to determine the wavelength of the photon given off following transition B. Identify the region of the electromagnetic spectrum (IR, Visible, UV, X-rays, etc.) that corresponds to this photon. If it is in the visible identify
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Rec6a_f04 - Recitation Activity 6 (Chem 121) Chapter 6 1....

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