An electron has a wave function given by The probability of finding the electron when $\theta$ = 90S1U1P1$\circ$S1S1P0 and $\Delta$$\theta$ = $\pm$0.5S1U1P1$\circ$S1S1P0,and from r = a0 to 1.06a0 is approximately

A) zero B) 2.12% C) 4.75% D) 5.8% E) 6.34% A) zero B) 2.12% C) 4.75% D) 5.8% E) 6.34%

The first Bohr radius,r0,is 0.0529 nm and the corresponding energy,E0,is 13.6 eV.The wavelength of the light emitted as a hydrogen atom undergoes a transition from state n = 4 to n = 2 is

A) 656 nm B) 486 nm C) 434 nm D) 410 nm E) None of these is correct. A) 656 nm B) 486 nm C) 434 nm D) 410 nm E) None of these is correct.

Exam 36: Atoms | Examlex

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X rays are emitted when the electrons hit the screen in a cathode ray tube (CRT),i.e.,an old TV set.If the shortest wavelength X ray emitted is 3.7 $\times$ 10^-2 nm,then what is the voltage that the electrons are accelerated through in the TV set?

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Question 61

According to Bohr's model,the radius of an electron at n = 4 is

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Question 62

A hydrogen atom is in an excited state having a binding energy of 0.85 eV in this state.The atom makes a transition to a state whose excitation energy is 10.2 eV.The energy of the photon emitted in this transition is approximately

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Question 63

An electron has a wave function given by $An electron has a wave function given by The probability of finding the electron when \theta = 90 \circ and \Delta\theta = \pm 0.5 \circ ,and from r = a0 to 1.06a0 is approximately$ The probability of finding the electron when $\theta$ = 90^$\circ$ and $\Delta$ $\theta$ = $\pm$ 0.5^$\circ$,and from r = a₀ to 1.06a₀ is approximately

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Question 64

According to the Bohr theory,a hydrogen atom

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Question 65

The first Bohr radius,r₀,is 0.0529 nm and the corresponding energy,E₀,is 13.6 eV.The wavelength of the light emitted as a hydrogen atom undergoes a transition from state n = 4 to n = 2 is

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Question 66

The order-of-magnitude of the diameter of the nucleus is closest to

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Question 67

For the hydrogen atom in the ground state,the wave function is The probability of finding the electron from r = 0 to r = a₀ is approximately Note:

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Question 68

What is the wavelength of the most energetic X rays emitted from an X-ray tube operated at 40 kV?

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Question 69

The radius of the n = 1 orbit in the hydrogen atom is 0.053 nm.What is the radius of the n = 3 orbit of lithium,which has three protons in its nucleus?

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Question 70

The energy of an electron in an atom is determined primarily by the quantum numbers

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Question 71

The hydrogen-like elements (valence +1)exhibit a splitting of the energy states without an external magnetic field; this is due to

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Question 72

When the voltage across an X-ray tube is doubled,the wavelengths of the characteristic lines emitted by the tube

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Question 73

A compact disc of a CD player has a moment of inertia I = 2.5 $\times$ 10^-5 kg · m² and rotates at 500 rev/min.Taking L = I $\omega$ and using the quantization of angular momentum,the approximate value of L is ( $A compact disc of a CD player has a moment of inertia I = 2.5 \times 10-5 kg · m2 and rotates at 500 rev/min.Taking L = I \omega and using the quantization of angular momentum,the approximate value of L is ( = 1.055 \times 10-34 J · s)$ = 1.055 $\times$ 10^-34 J · s)

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Question 74

If the angular momentum is characterized by the quantum number = 3,what is the largest possible angle between and the +z axis?

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Question 75

The electron configuration of neon (Z = 10)is

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Question 76

The symbol that represents the orbital angular momentum is

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Question 77

An electron in the n = 3 state of a hydrogen atom falls into the n = 2 state.The Rydberg constant R is 1.097 $\times$ 10^-2/nm.The wavelength of the photon emitted is approximately

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Question 78

Consider a beryllium (Z = 4)ion with all but one of its electrons removed.What is the kinetic energy of the electron in the n = 1 orbit.(The radius of the 1st Bohr orbit in Be³⁺ is 0.0132 nm.)

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Question 79

The group of symbols that could represent the set of quantum numbers for a particular electron is

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Question 80

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Exam 36: Atoms

X rays are emitted when the electrons hit the screen in a cathode ray tube (CRT),i.e.,an old TV set.If the shortest wavelength X ray emitted is 3.7 ×\times× 10-2 nm,then what is the voltage that the electrons are accelerated through in the TV set?

According to Bohr's model,the radius of an electron at n = 4 is

A hydrogen atom is in an excited state having a binding energy of 0.85 eV in this state.The atom makes a transition to a state whose excitation energy is 10.2 eV.The energy of the photon emitted in this transition is approximately

An electron has a wave function given by The probability of finding the electron when θ\thetaθ = 90 ∘\circ∘ and Δ\DeltaΔθ\thetaθ = ±\pm± 0.5 ∘\circ∘ ,and from r = a0 to 1.06a0 is approximately

According to the Bohr theory,a hydrogen atom

The first Bohr radius,r0,is 0.0529 nm and the corresponding energy,E0,is 13.6 eV.The wavelength of the light emitted as a hydrogen atom undergoes a transition from state n = 4 to n = 2 is

The order-of-magnitude of the diameter of the nucleus is closest to

For the hydrogen atom in the ground state,the wave function is The probability of finding the electron from r = 0 to r = a0 is approximately Note:

What is the wavelength of the most energetic X rays emitted from an X-ray tube operated at 40 kV?

The radius of the n = 1 orbit in the hydrogen atom is 0.053 nm.What is the radius of the n = 3 orbit of lithium,which has three protons in its nucleus?

The energy of an electron in an atom is determined primarily by the quantum numbers

The hydrogen-like elements (valence +1)exhibit a splitting of the energy states without an external magnetic field; this is due to

When the voltage across an X-ray tube is doubled,the wavelengths of the characteristic lines emitted by the tube

A compact disc of a CD player has a moment of inertia I = 2.5 ×\times× 10-5 kg · m2 and rotates at 500 rev/min.Taking L = I ω\omegaω and using the quantization of angular momentum,the approximate value of L is ( = 1.055 ×\times× 10-34 J · s)

If the angular momentum is characterized by the quantum number = 3,what is the largest possible angle between and the +z axis?

The electron configuration of neon (Z = 10)is

The symbol that represents the orbital angular momentum is

An electron in the n = 3 state of a hydrogen atom falls into the n = 2 state.The Rydberg constant R is 1.097 ×\times× 10-2/nm.The wavelength of the photon emitted is approximately

Consider a beryllium (Z = 4)ion with all but one of its electrons removed.What is the kinetic energy of the electron in the n = 1 orbit.(The radius of the 1st Bohr orbit in Be3+ is 0.0132 nm.)

The group of symbols that could represent the set of quantum numbers for a particular electron is

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X rays are emitted when the electrons hit the screen in a cathode ray tube (CRT),i.e.,an old TV set.If the shortest wavelength X ray emitted is 3.7 $\times$ 10^-2 nm,then what is the voltage that the electrons are accelerated through in the TV set?

The first Bohr radius,r₀,is 0.0529 nm and the corresponding energy,E₀,is 13.6 eV.The wavelength of the light emitted as a hydrogen atom undergoes a transition from state n = 4 to n = 2 is

For the hydrogen atom in the ground state,the wave function is The probability of finding the electron from r = 0 to r = a₀ is approximately Note:

An electron in the n = 3 state of a hydrogen atom falls into the n = 2 state.The Rydberg constant R is 1.097 $\times$ 10^-2/nm.The wavelength of the photon emitted is approximately

Consider a beryllium (Z = 4)ion with all but one of its electrons removed.What is the kinetic energy of the electron in the n = 1 orbit.(The radius of the 1st Bohr orbit in Be³⁺ is 0.0132 nm.)