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Questions and Answers
Is the transition to energy level n=4 an emission or an absorption, and why?
Is the transition to energy level n=4 an emission or an absorption, and why?
- Emission, because it occurs spontaneously.
- Absorption, because the ionization energy affects transitions.
- Emission, because energy is lost during the transition.
- Absorption, because energy is gained during the transition. (correct)
Which of the following constants is used to determine the energy associated with the transition of the electron?
Which of the following constants is used to determine the energy associated with the transition of the electron?
- Boltzmann's constant
- Avogadro's number
- Planck's constant (h) (correct)
- Speed of light (c)
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Study Notes
Ion-like Hydrogen Atom
- The problem involves a hydrogen-like ion denoted as zX+2, indicating a positively charged ion with an atomic number Z.
- The ion has an electron at energy level n1 and its ionization energy, the energy required to remove the electron, is 30.6 eV.
- The atomic number Z and the initial energy level n1 need to be determined.
Transition to n=4
- The problem asks to calculate the frequency of radiation associated with the electron transitioning from energy level n1 to n=4.
- This transition can result in either the emission or absorption of radiation.
- The type of transition (emission or absorption) needs to be explained and justified based on the energy levels involved.
Key Constants
- The following physical constants are provided:
- Speed of light (c): 3.0 x 10^8 m/s
- Planck constant (h): 6.63 x 10^-34 Jâ‹…s
- Rydberg constant (R): 1.09677 x 10^7 m^-1
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