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Questions and Answers
What shape do s-orbitals have?
What shape do s-orbitals have?
How many orbitals does a single p sublevel contain?
How many orbitals does a single p sublevel contain?
Which of the following accurately describes the shape of p-orbitals?
Which of the following accurately describes the shape of p-orbitals?
What determines the number and types of atomic orbitals in an atom?
What determines the number and types of atomic orbitals in an atom?
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Which of the following statements about d orbitals is true?
Which of the following statements about d orbitals is true?
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What is the primary function of the Bohr model in atomic theory?
What is the primary function of the Bohr model in atomic theory?
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Why did Rutherford’s atomic model fail to explain chemical properties?
Why did Rutherford’s atomic model fail to explain chemical properties?
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What happens when an electron gains energy in the Bohr model?
What happens when an electron gains energy in the Bohr model?
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Which characteristic of energy levels is true in the Bohr model?
Which characteristic of energy levels is true in the Bohr model?
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What physical phenomenon occurs when electrons return to lower energy levels?
What physical phenomenon occurs when electrons return to lower energy levels?
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Which statement best explains the concept of a quantum of energy?
Which statement best explains the concept of a quantum of energy?
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Why is it important to identify elements by their emission spectra?
Why is it important to identify elements by their emission spectra?
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What was a limitation of the Bohr model when applied to atoms with more than one electron?
What was a limitation of the Bohr model when applied to atoms with more than one electron?
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What occurs when an electron in a hydrogen atom returns to a lower energy level?
What occurs when an electron in a hydrogen atom returns to a lower energy level?
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In the Bohr model of the hydrogen atom, what state is achieved when the electron is at its lowest energy?
In the Bohr model of the hydrogen atom, what state is achieved when the electron is at its lowest energy?
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How did Erwin Schrödinger's model of the atom differ from that of Rutherford and Bohr?
How did Erwin Schrödinger's model of the atom differ from that of Rutherford and Bohr?
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What is an atomic orbital best described as?
What is an atomic orbital best described as?
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In quantum mechanics, what does the density of the electron cloud represent?
In quantum mechanics, what does the density of the electron cloud represent?
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What does the frequency of emitted light from an electron's transition relate to?
What does the frequency of emitted light from an electron's transition relate to?
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Which of the following statements about energy levels in the Bohr model is incorrect?
Which of the following statements about energy levels in the Bohr model is incorrect?
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What is the significance of the solutions to the Schrödinger equation in quantum mechanics?
What is the significance of the solutions to the Schrödinger equation in quantum mechanics?
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What is the maximum number of electrons that can be accommodated in the second energy level?
What is the maximum number of electrons that can be accommodated in the second energy level?
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According to the Pauli exclusion principle, how many electrons can occupy a single atomic orbital?
According to the Pauli exclusion principle, how many electrons can occupy a single atomic orbital?
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Which principle states that electrons will fill the lowest energy orbitals first?
Which principle states that electrons will fill the lowest energy orbitals first?
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What is the total number of orbitals in the fourth energy level?
What is the total number of orbitals in the fourth energy level?
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How many electrons can the d sublevel hold?
How many electrons can the d sublevel hold?
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What characterizes Hund’s rule in filling orbitals?
What characterizes Hund’s rule in filling orbitals?
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How is the maximum number of electrons in energy levels determined?
How is the maximum number of electrons in energy levels determined?
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How many sublevels are present in the third energy level?
How many sublevels are present in the third energy level?
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What is the correct electron configuration for a neutral iron atom?
What is the correct electron configuration for a neutral iron atom?
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Which of the following statements describes an excited electron configuration?
Which of the following statements describes an excited electron configuration?
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Which of the following elements would have a 3d sublevel being filled?
Which of the following elements would have a 3d sublevel being filled?
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What does the symbol 'Ne' represent in the electron configuration [Ne] 3s1 for sodium?
What does the symbol 'Ne' represent in the electron configuration [Ne] 3s1 for sodium?
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How many total electrons are represented in the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2?
How many total electrons are represented in the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2?
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In the configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d5, how many electrons are in the 3d sublevel?
In the configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d5, how many electrons are in the 3d sublevel?
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What is the electron configuration of the O2- ion?
What is the electron configuration of the O2- ion?
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What term is used to indicate when an electron or electrons are not in the lowest energy state?
What term is used to indicate when an electron or electrons are not in the lowest energy state?
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