(Answered) 1 a hydrogen atom has its electron in

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1. A hydrogen atom has its electron in the n = 2 Level. The radius of the electron's orbit in the Bohr model is 0.212 nm. Find the de Broglie wavelength of the electron under these circumstances. Answer in m.

2. A hydrogen atom has its electron in the n = 3 state. How much energy would have to be absorbed by the atom for it to become ionized from this level? What is the frequency of the photon that could produce this result?

3. A hydrogen atom initially in the n = 2 level emits a photon and ends up in the ground state. What is the energy of the emitted photon? If this atom then absorbs a second photon and returns to the n = 2 state, what must the energy of this photon be?

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