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Question
Which of the following states that the energy changes that an electron may undergo are quantized?
Which of the following states that the energy changes that an electron may undergo are quantized?
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Solution
The correct option is E Bohr model of the hydrogen atom
Bohr borrowed the idea of quantized energy from Planck
He proposed that only orbits of certain radii, corresponding to defined energies, are "permitted"
An electron orbiting in one of these "allowed" orbits:
1. Has a defined energy state
2. Will not radiate energy
3. Will not spiral into the nucleus
If the orbits of the electron are restricted, the energies that the electron can possess are likewise restricted and are defined by the equation:
Where RH is a constant called the Rydberg constant and has the value
2.18×10−18J
'n' is an integer, called the principle quantum number and corresponds to the different allowed orbits for the electron. Thus, an electron in the first allowed orbit (closest to the nucleus) has n=1, an electron in the next allowed orbit further from the nuclei has n=2, and so on.
Thus, the relative energies of these allowed orbits for the electrons can be diagrammed as follows:
Bohr borrowed the idea of quantized energy from Planck
He proposed that only orbits of certain radii, corresponding to defined energies, are "permitted"
An electron orbiting in one of these "allowed" orbits:
1. Has a defined energy state
2. Will not radiate energy
3. Will not spiral into the nucleus
If the orbits of the electron are restricted, the energies that the electron can possess are likewise restricted and are defined by the equation:
Where RH is a constant called the Rydberg constant and has the value
2.18×10−18J
'n' is an integer, called the principle quantum number and corresponds to the different allowed orbits for the electron. Thus, an electron in the first allowed orbit (closest to the nucleus) has n=1, an electron in the next allowed orbit further from the nuclei has n=2, and so on.
Thus, the relative energies of these allowed orbits for the electrons can be diagrammed as follows:
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