Question 1

Which of the following types of electromagnetic radiation have the shortest wavelength?

Accepted Answer

A) gamma rays 
B) X-rays 
C) radio waves 
D) infrared 
E) visible 
A) gamma rays 
B) X-rays 
C) radio waves 
D) infrared 
E) visible

Question 2

Which of the following is not an allowed value for the principal quantum number?

Accepted Answer

A) 1 
B) 3 
C) 10 
D) 0 
E) 2 
A) 1 
B) 3 
C) 10 
D) 0 
E) 2

Question 3

Indicate which of the following sources produces the highest energy photons.

Accepted Answer

A) a radio station with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 106.7 MHz 
B) a dentist's X-ray source with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 100 pm 
C) the laser in a CD player with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 650 nm 
D) a microwave oven with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 6.0 F1F1F1S1F1F1F10 1010 Hz 
E) your cell phone with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 1.750 GHz 
A) a radio station with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 106.7 MHz 
B) a dentist's X-ray source with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 100 pm 
C) the laser in a CD player with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 650 nm 
D) a microwave oven with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 6.0 F1F1F1S1F1F1F10 1010 Hz 
E) your cell phone with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 1.750 GHz

Question 4

Which of the following photons has the highest frequency?

Accepted Answer

A) a photon from an Nd:YAG laser with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 1,064 nm 
B) a photon from an ArF1F1F1S1F1F1F10 laser with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 514.5 nm 
C) a photon from a KrF1F1F1S1F1F1F10 laser with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 647 nm 
D) a photon from an ArF laser with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 193 nm 
E) a photon from an He-Ne laser with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 633 nm 
A) a photon from an Nd:YAG laser with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 1,064 nm 
B) a photon from an ArF1F1F1S1F1F1F10 laser with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 514.5 nm 
C) a photon from a KrF1F1F1S1F1F1F10 laser with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 647 nm 
D) a photon from an ArF laser with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 193 nm 
E) a photon from an He-Ne laser with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 633 nm

Question 5

Arrange the following elements in order of increasing size: 15P, 20Ca, 32Ge, 37Rb, 38Sr.

Accepted Answer

P @#IMG-DLM& F1F1F1S1F1F1F10Ge

Question 6

Determine the wavelength of the line in the hydrogen atom spectrum corresponding to the n1 F1F1F1S1F1F1F10 3 to n2 F1F1F1S1F1F1F10 4 transition.

Accepted Answer

A) 1,094 nm 
B) 1,875 nm 
C) 656 nm 
D) 335 nm 
E) 109 nm 
A) 1,094 nm 
B) 1,875 nm 
C) 656 nm 
D) 335 nm 
E) 109 nm

Question 7

Give the names of the three quantum numbers (n,   , and m    
) that identify the mathematical functions (orbitals) that are solutions to Schrödinger's wave equation, and describe how the energy, size, shape, and orientation of the orbital varies with the relative values of these quantum numbers.

Accepted Answer

n is the principal quantum number. As it

Question 8

Which of the following is not a possible set of quantum numbers for an electron?

Accepted Answer

A) n   F1F1F1S1F1F1F103,   2, me
    F1F1F1S1F1F1F101 
B) n   F1F1F1S1F1F1F102,   2, me     F1F1F1S1F1F1F100 
C) n   F1F1F1S1F1F1F104,   1, me     F1F1F1S1F1F1F101 
D) n   F1F1F1S1F1F1F101,   0, me     F1F1F1S1F1F1F100 
E) n   F1F1F1S1F1F1F102,   1, me     F1F1F1S1F1F1F101 
A) n   F1F1F1S1F1F1F103,   2, me
    F1F1F1S1F1F1F101 
B) n   F1F1F1S1F1F1F102,   2, me     F1F1F1S1F1F1F100 
C) n   F1F1F1S1F1F1F104,   1, me     F1F1F1S1F1F1F101 
D) n   F1F1F1S1F1F1F101,   0, me     F1F1F1S1F1F1F100 
E) n   F1F1F1S1F1F1F102,   1, me     F1F1F1S1F1F1F101

Question 9

Atomic spectra are due to the changes in the energy of ________

Accepted Answer

A) protons. 
B) neutrons. 
C) nuclei. 
D) electrons. 
E) electromagnetic radiation. 
A) protons. 
B) neutrons. 
C) nuclei. 
D) electrons. 
E) electromagnetic radiation.

Question 10

Which arrangement is in the correct order of increasing radii?

Accepted Answer

A) Cs   F1F1F1S1F1F1F10Mn2F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 Mn 
B) Ra   F1F1F1S1F1F1F10Li F1F1F1S1F1F1F10 LiF1F1F1S1F1F1F10 
C) P   F1F1F1S1F1F1F10P3F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 As3F1F1F1S1F1F1F10 
D) Cr   F1F1F1S1F1F1F10Cr3F1F1F1S1F1F1F10   F1F1F1S1F1F1F10Ca 
E) H   F1F1F1S1F1F1F10HeF1F1F1S1F1F1F10 
A) Cs   F1F1F1S1F1F1F10Mn2F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 Mn 
B) Ra   F1F1F1S1F1F1F10Li F1F1F1S1F1F1F10 LiF1F1F1S1F1F1F10 
C) P   F1F1F1S1F1F1F10P3F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 As3F1F1F1S1F1F1F10 
D) Cr   F1F1F1S1F1F1F10Cr3F1F1F1S1F1F1F10   F1F1F1S1F1F1F10Ca 
E) H   F1F1F1S1F1F1F10HeF1F1F1S1F1F1F10

Question 11

Which sequence does not correctly arrange the elements in order of increasing energy released (electron affinity) upon formation of its monatomic anion?

Accepted Answer

A) Ne   F1F1F1S1F1F1F10Li   F1F1F1S1F1F1F10O   F1F1F1S1F1F1F10Cl 
B) Cs   F1F1F1S1F1F1F10K   F1F1F1S1F1F1F10Na   F1F1F1S1F1F1F10Li 
C) Be   F1F1F1S1F1F1F10B   F1F1F1S1F1F1F10O   F1F1F1S1F1F1F10F 
D) N   F1F1F1S1F1F1F10C   F1F1F1S1F1F1F10O   F1F1F1S1F1F1F10F 
E) Mg   F1F1F1S1F1F1F10Si   F1F1F1S1F1F1F10S   F1F1F1S1F1F1F10Ar 
A) Ne   F1F1F1S1F1F1F10Li   F1F1F1S1F1F1F10O   F1F1F1S1F1F1F10Cl 
B) Cs   F1F1F1S1F1F1F10K   F1F1F1S1F1F1F10Na   F1F1F1S1F1F1F10Li 
C) Be   F1F1F1S1F1F1F10B   F1F1F1S1F1F1F10O   F1F1F1S1F1F1F10F 
D) N   F1F1F1S1F1F1F10C   F1F1F1S1F1F1F10O   F1F1F1S1F1F1F10F 
E) Mg   F1F1F1S1F1F1F10Si   F1F1F1S1F1F1F10S   F1F1F1S1F1F1F10Ar

Question 12

Compared with the atomic radius of oxygen (Z   F1F1F1S1F1F1F108), the atomic radius of sulfur (Z   F1F1F1S1F1F1F1016) is ________

Accepted Answer

A) larger because the n quantum number increases. 
B) smaller because the atomic number (nuclear charge) increases. 
C) smaller because the n quantum number increases. 
D) larger because the   quantum number increases. 
E) about the same because in both cases, the nuclear charge equals the number of electrons. 
A) larger because the n quantum number increases. 
B) smaller because the atomic number (nuclear charge) increases. 
C) smaller because the n quantum number increases. 
D) larger because the   quantum number increases. 
E) about the same because in both cases, the nuclear charge equals the number of electrons.

Question 13

An orbital's shape is determined by ________

Accepted Answer

A) the   quantum number. 
B) the ml quantum number. 
C) the ms quantum number. 
D) the n quantum number. 
E) both the n and   quantum numbers. 
A) the   quantum number. 
B) the ml quantum number. 
C) the ms quantum number. 
D) the n quantum number. 
E) both the n and   quantum numbers.

Question 14

Which subshell contains six total electrons?

Accepted Answer

A)    2 
B)    1 
C)    5 
D)    3 
E)    4 
A)    2 
B)    1 
C)    5 
D)    3 
E)    4

Question 15

The change in energy of a one-electron atom or ion for an electronic transition from the initial energy level ni to the final energy level nf is given by   Which of the following species will have the longest wavelength emission line for the transition between the ni F1F1F1S1F1F1F10 2 and nf F1F1F1S1F1F1F10 1 levels?

Accepted Answer

A) H 
B) HeF1F1F1S1F1F1F10 
C) Li2F1F1F1S1F1F1F10 
D) Be3F1F1F1S1F1F1F10 
E) B4F1F1F1S1F1F1F10 
A) H 
B) HeF1F1F1S1F1F1F10 
C) Li2F1F1F1S1F1F1F10 
D) Be3F1F1F1S1F1F1F10 
E) B4F1F1F1S1F1F1F10

Question 16

Which transition in a hydrogen atom will cause emission of the shortest wavelength photon?

Accepted Answer

A) n1   F1F1F1S1F1F1F104 to n2   F1F1F1S1F1F1F103 
B) n1   F1F1F1S1F1F1F104 to n2   F1F1F1S1F1F1F102 
C) n1   F1F1F1S1F1F1F103 to n2   F1F1F1S1F1F1F102 
D) n1   F1F1F1S1F1F1F103 to n2   F1F1F1S1F1F1F101 
E) n1   F1F1F1S1F1F1F1010 to n2   F1F1F1S1F1F1F109 
A) n1   F1F1F1S1F1F1F104 to n2   F1F1F1S1F1F1F103 
B) n1   F1F1F1S1F1F1F104 to n2   F1F1F1S1F1F1F102 
C) n1   F1F1F1S1F1F1F103 to n2   F1F1F1S1F1F1F102 
D) n1   F1F1F1S1F1F1F103 to n2   F1F1F1S1F1F1F101 
E) n1   F1F1F1S1F1F1F1010 to n2   F1F1F1S1F1F1F109

Question 17

Electromagnetic radiation with a frequency of 8.6   F1F1F1S1F1F1F10Hz incident on an unknown metal surface causes ejection of photoelectrons with kinetic energies of 1.3   F1F1F1S1F1F1F10J. What is the unknown metal?

Accepted Answer

A) rubidium (F1F1F1S1F1F1F10   F1F1F1S1F1F1F103.5   F1F1F1S1F1F1F10J) 
B) gold (F1F1F1S1F1F1F10   F1F1F1S1F1F1F108.2   F1F1F1S1F1F1F10J) 
C) nickel (F1F1F1S1F1F1F10   F1F1F1S1F1F1F108.3   F1F1F1S1F1F1F10J) 
D) sodium (F1F1F1S1F1F1F10   F1F1F1S1F1F1F104.4   F1F1F1S1F1F1F10J) 
E) platinum (F1F1F1S1F1F1F10   F1F1F1S1F1F1F109.1   F1F1F1S1F1F1F10J) 
A) rubidium (F1F1F1S1F1F1F10   F1F1F1S1F1F1F103.5   F1F1F1S1F1F1F10J) 
B) gold (F1F1F1S1F1F1F10   F1F1F1S1F1F1F108.2   F1F1F1S1F1F1F10J) 
C) nickel (F1F1F1S1F1F1F10   F1F1F1S1F1F1F108.3   F1F1F1S1F1F1F10J) 
D) sodium (F1F1F1S1F1F1F10   F1F1F1S1F1F1F104.4   F1F1F1S1F1F1F10J) 
E) platinum (F1F1F1S1F1F1F10   F1F1F1S1F1F1F109.1   F1F1F1S1F1F1F10J)

Question 18

How much energy is required to ionize an HeF1F1F1S1F1F1F10 ion in its ground state?

Accepted Answer

A) 2.18   F1F1F1S1F1F1F10J 
B) 4.36   F1F1F1S1F1F1F10J 
C) 8.72   F1F1F1S1F1F1F10J 
D) 1.74   F1F1F1S1F1F1F10J 
A) 2.18   F1F1F1S1F1F1F10J 
B) 4.36   F1F1F1S1F1F1F10J 
C) 8.72   F1F1F1S1F1F1F10J 
D) 1.74   F1F1F1S1F1F1F10J

Question 19

Which of the following photons has the lowest energy?

Accepted Answer

A) a photon from a green laser pointer with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 532 nm 
B) a photon from a tanning bed with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 325 nm 
C) a photon from a telescope with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 700 nm 
D) a photon from a quasar with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 125 nm 
E) a photon from a red LED bulb with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 635 nm 
A) a photon from a green laser pointer with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 532 nm 
B) a photon from a tanning bed with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 325 nm 
C) a photon from a telescope with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 700 nm 
D) a photon from a quasar with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 125 nm 
E) a photon from a red LED bulb with F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 635 nm

Question 20

A coordinate system is defined with orthogonal x-, y-, and z-axes. Which d orbital has four lobes in the xF1F1F1S1F1F1F10y plane but is not aligned along the x- or y-axis?

Accepted Answer

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

Exam 7: A Quantum Model of Atoms: Waves and Particles

Which of the following types of electromagnetic radiation have the shortest wavelength?

Which of the following is not an allowed value for the principal quantum number?

Indicate which of the following sources produces the highest energy photons.

Which of the following photons has the highest frequency?

Arrange the following elements in order of increasing size: 15P, 20Ca, 32Ge, 37Rb, 38Sr.

Determine the wavelength of the line in the hydrogen atom spectrum corresponding to the n1  3 to n2  4 transition.

Give the names of the three quantum numbers (n, , and m ) that identify the mathematical functions (orbitals) that are solutions to Schrödinger's wave equation, and describe how the energy, size, shape, and orientation of the orbital varies with the relative values of these quantum numbers.

Which of the following is not a possible set of quantum numbers for an electron?

Atomic spectra are due to the changes in the energy of ________

Which arrangement is in the correct order of increasing radii?

Which sequence does not correctly arrange the elements in order of increasing energy released (electron affinity) upon formation of its monatomic anion?

Compared with the atomic radius of oxygen (Z 8), the atomic radius of sulfur (Z 16) is ________

An orbital's shape is determined by ________

Which subshell contains six total electrons?

The change in energy of a one-electron atom or ion for an electronic transition from the initial energy level ni to the final energy level nf is given by Which of the following species will have the longest wavelength emission line for the transition between the ni  2 and nf  1 levels?

Which transition in a hydrogen atom will cause emission of the shortest wavelength photon?

Electromagnetic radiation with a frequency of 8.6 Hz incident on an unknown metal surface causes ejection of photoelectrons with kinetic energies of 1.3 J. What is the unknown metal?

How much energy is required to ionize an He ion in its ground state?

Which of the following photons has the lowest energy?

A coordinate system is defined with orthogonal x-, y-, and z-axes. Which d orbital has four lobes in the xy plane but is not aligned along the x- or y-axis?

Matter and Energy: The Origin of the Universe

Atoms, Ions, and Molecules: Matter Starts Here

Stoichiometry: Mass, Formulas, and Reactions

Solution Chemistry: The Hydrosphere

Thermochemistry: Energy Changes in Reactions

Properties of Gases: The Air We Breathe

Chemical Bonds: What Makes a Gas a Greenhouse Gas

Molecular Geometry: Shape Determines Function

Intermolecular Forces: The Uniqueness of Water

Solutions: Properties and Behavior

Solids: Crystals, Alloys, and Polymers

Chemical Kinetics: Reactions in the Atmosphere

Chemical Equilibrium: How Much Product Does a Reaction Really Make

Acidbase Equilibria: Proton Transfer in Biological Systems

Additional Aqueous Equilibria: Chemistry and the Oceans

Thermodynamics: Spontaneous and Nonspontaneous Reactions and Processes

Electrochemistry: The Quest for Clean Energy

Nuclear Chemistry: Applications to Energy and Medicine

Organic and Biological Molecules: the Compounds of Life

The Main Group Elements: Life and the Periodic Table

Transition Metals: Biological and Medical Applications

Filters

Arrange the following elements in order of increasing size: ₁₅P, ₂₀Ca, ₃₂Ge, ₃₇Rb, ₃₈Sr.

Determine the wavelength of the line in the hydrogen atom spectrum corresponding to the n₁  3 to n₂  4 transition.

The change in energy of a one-electron atom or ion for an electronic transition from the initial energy level n_i to the final energy level n_f is given by Which of the following species will have the longest wavelength emission line for the transition between the n_i  2 and n_f  1 levels?

How much energy is required to ionize an He^ ion in its ground state?