n = 5 Ionized atom n = 4 (continuous energy levels) E = 0 - 0.85 n= 3 Excited -1.5 states Paschen series -3.4 Tn=2 FIGURE 27-29 Energy-level diagram for the hydrogen atom, showing the transitions for the spectral lines of the Lyman, Balmer, and Paschen series (Fig. 27-25). Each vertical arrow represents an atomic transition that gives rise to the photons of one spectral line (a single wavelength or frequency). Balmer -5 series -10 n = 1 Ground state -13.6 Lyman series -15 Energy (eV)

n = 5 Ionized atom n = 4 (continuous energy levels) E = 0 - 0.85 n= 3 Excited -1.5 states Paschen series -3.4 Tn=2 FIGURE 27-29 Energy-level diagram for the hydrogen atom, showing the transitions for the spectral lines of the Lyman, Balmer, and Paschen series (Fig. 27-25). Each vertical arrow represents an atomic transition that gives rise to the photons of one spectral line (a single wavelength or frequency). Balmer -5 series -10 n = 1 Ground state -13.6 Lyman series -15 Energy (eV)

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter4: The Particle Nature Of Matter

Section: Chapter Questions

Problem 26P

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Check Your Understanding When an election in a hydrogen atom is in the first excited state, what prediction does the Bohr model give about its orbital speed and kinetic energy? What is the magnitude of its orbital angular momentum?
(a) If one subshell of an atom has nine electrons in it, what is the minimum value of (b) What is the spectroscopic notation for this atom, if this subshell is part of the n = 3 shell?
A 4.653-urn emission line of atomic hydrogen corresponds to transition between the states nf=5 and ni. Find ni.
If an atom has an election in the n = 5 state with m = 3, what are the possible values of l?
Hydrogen gas can only absorb EM radiation that has an energy corresponding to a transition in the atom, just as it can only emit these discrete energies. When a spectrum is taken of the solar corona, in which a broad range of EM wavelengths are passed through very hot hydrogen gas, the absorption spectrum shows all the features of the emission spectrum. But when such EM radiation passes through room-temperature hydrogen gas, only the Lyman series is absorbed. Explain the difference.