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Questions and Answers
What is the radius of the orbit for an electron in He+ with n=1 and Z=2?
What is the radius of the orbit for an electron in He+ with n=1 and Z=2?
- 0.1058 nm
- 0.0529 nm
- 0.02645 nm (correct)
- 0.01763 nm
Which of the following is a limitation of Bohr's model of the hydrogen atom?
Which of the following is a limitation of Bohr's model of the hydrogen atom?
- It fails to account for the stability of the hydrogen atom
- It fails to account for the formation of molecules by chemical bonds
- It fails to account for the line spectra of hydrogen atom
- It fails to account for the spectrum of helium atoms (correct)
What was one of the shortcomings of Bohr's model mentioned in the text?
What was one of the shortcomings of Bohr's model mentioned in the text?
- Inability to explain the splitting of spectral lines in the presence of magnetic field (correct)
- Inability to form molecules by chemical bonds
- Inability to account for the stability of the hydrogen atom
- Inability to explain the line spectra of hydrogen atom
What is a limitation of the Bohr model?
What is a limitation of the Bohr model?
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Why does the Bohr model fail to define the path of an electron?
Why does the Bohr model fail to define the path of an electron?
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What aspect of the Bohr model contradicts the Heisenberg uncertainty principle?
What aspect of the Bohr model contradicts the Heisenberg uncertainty principle?
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What did Niels Bohr use to explain the general features of the structure of the hydrogen atom and its spectrum?
What did Niels Bohr use to explain the general features of the structure of the hydrogen atom and its spectrum?
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What is the expression commonly known as Bohr's frequency rule?
What is the expression commonly known as Bohr's frequency rule?
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What quantity is quantized in Bohr's model of the hydrogen atom?
What quantity is quantized in Bohr's model of the hydrogen atom?
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What provides the key to understanding the electronic structure of elements according to the text?
What provides the key to understanding the electronic structure of elements according to the text?
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