Concept explainers
(a)
To draw: The energy level diagram of the given element.
(a)
Explanation of Solution
Given:
Ionization energy is
Absorption spectrum with lines at
The energy level diagram is shown below.
According to the above energy level diagram, the ground state level is represented as
First transition takes place from
Second transition takes place from
Third transition will be from
Conclusion:
Hence, the transition energy from
(b)
The state in which the atom was before absorbing the photon.
Energies of the photons that can subsequently be emitted by the atom.
(b)
Answer to Problem 83GP
An atom is in ground state.
The energies are:
Explanation of Solution
Given:
Ionization energy is
Calculation:
The atom was in the ground state before absorbing the photon, because the transition from
Now, the energies of the photons emitted by the atom can be calculated as follows:
Now, the first transition energy is given as:
The second transition energy:
The third transition energy:
Conclusion:
The atom is in ground state before absorbing the photon. The energies are:
Chapter 27 Solutions
Physics: Principles with Applications
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