
Chapter 4, Question 79 A hydrogen atom emits a photon as its electron changes from n...
A hydrogen atom emits a photon as its electron changes from n = 6 to n = 3. For the H atom, En = -2.18E-18*(1/n2) J. What is the wavelength (in m) of the photon?
1. The energy of the electron in the lowest level of the hydrogen atom (n=1) is -2.179×10-18 J. What is the energy of the electron in level n=5? -8.716×10-20 J (Answer is correct) 2. The electron in a hydrogen atom moves from level n=4 to level n=1. Is a photon emitted or absorbed? What is the wavelength of the photon? 3. An excited hydrogen atom emits a photon with a wavelength of 102.6 nm. In what region of the spectrum...
1. A hydrogen atom with its electron in the n = 5 energy level emits a photon of IR light. (i)[3 marks] Calculate the change in energy of the atom and (ii) [2 marks] Calculate the wavelength (in nm) of the photon.
"If a hydrogen atom emits a photon of light with a wavelength of 102.6 nm when an electron returns to n = 1 , what n-value was the atom in originally?"
An electron in an excited state of a hydrogen atom emits two photons in succession, the first at 2624 nm and the second at 97.20 nm, to return to the ground state (n=1). For a given transition, the wavelength of the emitted photon corresponds to the difference in energy between the two energy levels. What were the principal quantum numbers of the initial and intermediate excited states involved?
A hydrogen atom emits a photon of wavelength 656 nm. From what energy orbit to what lower-energy orbit did the electron jump?
A hydrogen atom emits a photon of wavelength 486 nm. From what energy orbit to what lower energy orbit did the electron jump? ninitial= nfinal=
8. An exited hydrogen atom emits a photon having a wavelength of 388.9049 nm and the electron relaxes down to the n=2 level. What was the initial higher energy level of the electron? - hc 388.9049x10 nm -9 = -2.184x102 (12)
n atom emits a photon having a wavelength of 388.9049 nm and the electron relaxes down to the n-2 level. What was the initial higher energy level of the electron?
05 Question (4 points) When a hydrogen atom absorbs a photon of electromagnetic radiation (EMR), the internal energy of the atom increases and one or more electrons may be energized into an excited state. The release of this extra energy as the excited state electron transitions back to a lower energy state results in the emission of a photon. These energy changes are responsible for the emission spectrum of hydrogen (shown below) and are described by the Bohr equation. AE...