Question 1

Light of wavelength 411 nm is observed from a hydrogen discharge. What transition produces this emission? The energy of the n = 1 level is -13.6 eV.

Accepted Answer

A)  n = 1.13 to n =1 
B)  n = 6 to n = 2 
C)  n = 3 to n = 3 
D)  n = 2 to n = 6 
E)  n = 5 to n = 1 
A)  n = 1.13 to n =1 
B)  n = 6 to n = 2 
C)  n = 3 to n = 3 
D)  n = 2 to n = 6 
E)  n = 5 to n = 1

Question 2

J. J. Thomson's model of an atom

Accepted Answer

A)  had electrons embedded in some kind of fluid that contained most of the mass of the atom. 
B)  held that the fluid containing most of the mass of the atom had enough positive charge to make the atom electrically neutral. 
C)  failed to predict the observed frequencies for any atom. 
D)  depended upon electric forces to produce stability. 
E)  All of these are correct. 
A)  had electrons embedded in some kind of fluid that contained most of the mass of the atom. 
B)  held that the fluid containing most of the mass of the atom had enough positive charge to make the atom electrically neutral. 
C)  failed to predict the observed frequencies for any atom. 
D)  depended upon electric forces to produce stability. 
E)  All of these are correct.

Question 3

Which of the following characteristic X-ray lines results from the least energetic transition?

Accepted Answer

A)  K $\alpha$ 
B)  K $\beta$ 
C)  K $\gamma$ 
D)  All of these characteristic X-ray lines are the same. 
E)  None of these is correct. 
A)  K $\alpha$ 
B)  K $\beta$ 
C)  K $\gamma$ 
D)  All of these characteristic X-ray lines are the same. 
E)  None of these is correct.

Question 4

The equation derived by Bohr for the wavelengths of $\lambda$ of the lines in hydrogen- like spectra is   The first member of the Balmer series of hydrogen has $\lambda$ = 660 nm. Doubly ionized   is hydrogen-like. The wavelength of the first member of the Balmer series for doubly ionized   is

Accepted Answer

A)  73 nm 
B)  5.9 * 103 nm 
C)  150 nm 
D)  60 nm 
E)  1.8* 10-3 nm 
A)  73 nm 
B)  5.9 * 103 nm 
C)  150 nm 
D)  60 nm 
E)  1.8* 10-3 nm

Question 5

Mosely showed that the wavelength of K $\alpha$ characteristic X-ray radiation is directly related to the nuclear property of

Accepted Answer

A)  atomic number. 
B)  mass number. 
C)  neutron number. 
D)  mass defect. 
E)  binding energy per nucleon. 
A)  atomic number. 
B)  mass number. 
C)  neutron number. 
D)  mass defect. 
E)  binding energy per nucleon.

Question 6

The electron configuration of nitrogen (Z = 7) is

Accepted Answer

A)  1s22s22p2  
B)  1s22s32p3  
C)  1s22s32p2  
D)  1s22s22p4  
E)  1s22s22p3  
A)  1s22s22p2  
B)  1s22s32p3  
C)  1s22s32p2  
D)  1s22s22p4  
E)  1s22s22p3

Question 7

The orbital angular momentum L is related to the orbital quantum number   by

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 8

The graph shows the spectrum of X rays produced by the bombardment of a metal target with high-energy electrons. The maximum kinetic energy of the electrons striking the target is

Accepted Answer

A)  13.3 * 10-16 J 
B)  66.3 *10-16 J 
C)  26.5 * 10-16 J 
D)  39.8 * 10-16 J 
E)  4 *10-18 J 
A)  13.3 * 10-16 J 
B)  66.3 *10-16 J 
C)  26.5 * 10-16 J 
D)  39.8 * 10-16 J 
E)  4 *10-18 J

Light of wavelength 411 nm is observed from a hydrogen discharge. What transition produces this emission? The energy of the n = 1 level is -13.6 eV.

J. J. Thomson's model of an atom

Which of the following characteristic X-ray lines results from the least energetic transition?

Mosely showed that the wavelength of K _$\alpha$ characteristic X-ray radiation is directly related to the nuclear property of

The electron configuration of nitrogen (Z = 7) is

The orbital angular momentum L is related to the orbital quantum number by

The graph shows the spectrum of X rays produced by the bombardment of a metal target with high-energy electrons. The maximum kinetic energy of the electrons striking the target is

The Electric Field I: Discrete Charge Distributions

The Electric Field II: Continuous Charge Distributions

Electric Potential

Capacitance

Electric Current and Direct-Current Circuits

The Magnetic Field

Sources of the Magnetic Field

Magnetic Induction

Alternating-Current Circuits

Maxwells Equations and Electromagnetic Waves

Properties of Light

Optical Images

Interference and Diffraction

Wave Particle Duality and Quantum Physics

Applications of the Schrodinger Equation

Molecules

Solids and the Theory of Conduction

Relativity

Nuclear Physics

Elementary Particles and the Beginning of the Universe

Filters

Exam 16: Atoms

Light of wavelength 411 nm is observed from a hydrogen discharge. What transition produces this emission? The energy of the n = 1 level is -13.6 eV.

J. J. Thomson's model of an atom

Which of the following characteristic X-ray lines results from the least energetic transition?

The equation derived by Bohr for the wavelengths of λ\lambdaλ of the lines in hydrogen- like spectra is The first member of the Balmer series of hydrogen has λ\lambdaλ = 660 nm. Doubly ionized is hydrogen-like. The wavelength of the first member of the Balmer series for doubly ionized is

Mosely showed that the wavelength of K α\alphaα characteristic X-ray radiation is directly related to the nuclear property of

The electron configuration of nitrogen (Z = 7) is

The orbital angular momentum L is related to the orbital quantum number by

The graph shows the spectrum of X rays produced by the bombardment of a metal target with high-energy electrons. The maximum kinetic energy of the electrons striking the target is

The Electric Field I: Discrete Charge Distributions

The Electric Field II: Continuous Charge Distributions

Electric Potential

Capacitance

Electric Current and Direct-Current Circuits

The Magnetic Field

Sources of the Magnetic Field

Magnetic Induction

Alternating-Current Circuits

Maxwells Equations and Electromagnetic Waves

Properties of Light

Optical Images

Interference and Diffraction

Wave Particle Duality and Quantum Physics

Applications of the Schrodinger Equation

Molecules

Solids and the Theory of Conduction

Relativity

Nuclear Physics

Elementary Particles and the Beginning of the Universe

Filters

Mosely showed that the wavelength of K _$\alpha$ characteristic X-ray radiation is directly related to the nuclear property of