Question 1

Consider the following ground-state electronic configurations .Which atom has both the highest first ionization energy and the highest electron affinity?

Accepted Answer

A)  [Ne] 3s23p5 
B)  [Ne] 3s23p3 
C)  [Ne] 3s23p1 
D)  [Ne] 3s23p4 
A)  [Ne] 3s23p5 
B)  [Ne] 3s23p3 
C)  [Ne] 3s23p1 
D)  [Ne] 3s23p4

Question 2

What is the frequency of yellow light with a wavelength of 580 nm?

Accepted Answer

A)  5.2 * 1016 Hz 
B)  1.9 *10-17 Hz 
C)  5.2 * 1014 Hz 
D)  5.2 * 1012 Hz 
E)  1.9 * 10F1F1F1S1-15Hz 
A)  5.2 * 1016 Hz 
B)  1.9 *10-17 Hz 
C)  5.2 * 1014 Hz 
D)  5.2 * 1012 Hz 
E)  1.9 * 10F1F1F1S1-15Hz

Question 3

In 1.0 s, a 60 W bulb emits 11 J of energy in the form of infrared radiation (heat)
Of wavelength 1850 nm.
How many photons of infrared radiation does the lamp generate in 1.0 s?

Accepted Answer

A)  1.0 * 1029  
B)  1.0 * 1020  
C)  6.8 * 10 -14 
D)  1.1 * 10-19 
E)  6.6 * 1023  
A)  1.0 * 1029  
B)  1.0 * 1020  
C)  6.8 * 10 -14 
D)  1.1 * 10-19 
E)  6.6 * 1023

Question 4

An aluminum atom contains how many unpaired electrons?

Accepted Answer

A)  7 
B)  6 
C)  5 
D)  4 
E)  3 
A)  7 
B)  6 
C)  5 
D)  4 
E)  3

Question 5

Which atom has the highest second ionization energy?

Accepted Answer

A)  Cs 
B)  Na 
C)  Li 
D)  K 
A)  Cs 
B)  Na 
C)  Li 
D)  K

Question 6

Which of the following statements regarding electromagnetic radiation is true?

Accepted Answer

A)  Electromagnetic radiation with a wavelength of 800 nm is in the ultraviolet range. 
B)  Electromagnetic radiation with a wavelength of 900 nm is in the visible light range. 
C)  Electromagnetic radiation with a wavelength of 400 nm is in the visible light range. 
D)  Electromagnetic radiation with a wavelength of 600 nm is in the ultraviolet range. 
E)  Electromagnetic radiation with a wavelength of 600 nm is in the visible light range. 
A)  Electromagnetic radiation with a wavelength of 800 nm is in the ultraviolet range. 
B)  Electromagnetic radiation with a wavelength of 900 nm is in the visible light range. 
C)  Electromagnetic radiation with a wavelength of 400 nm is in the visible light range. 
D)  Electromagnetic radiation with a wavelength of 600 nm is in the ultraviolet range. 
E)  Electromagnetic radiation with a wavelength of 600 nm is in the visible light range.

Question 7

What is the energy of a mole of photons with a frequency of 3.2 * 1016 Hz?

Accepted Answer

A)  1.3 * 107J/mol 
B)  1.3 * 10-7J/mol 
C)  3.2 * 1016J/mol 
D)  7.7 * 10-8J/mol 
E)  7.7 * 108J/mol  
A)  1.3 * 107J/mol 
B)  1.3 * 10-7J/mol 
C)  3.2 * 1016J/mol 
D)  7.7 * 10-8J/mol 
E)  7.7 * 108J/mol

Question 8

If a particle is confined to a one-dimensional box of length 300 pm, for $\Psi$3 the particle is most likely to be found at

Accepted Answer

A)  0 pm. 
B)  50, 150, and 250 pm, respectively. 
C)  17.3 pm. 
D)  300 pm. 
E)  100 and 200 pm, respectively. 
A)  0 pm. 
B)  50, 150, and 250 pm, respectively. 
C)  17.3 pm. 
D)  300 pm. 
E)  100 and 200 pm, respectively.

Question 9

What type of wavelength is characteristic of radio waves?

Accepted Answer

A)  Very large. 
B)  Very small. 
C)  Large or small depending on frequency. 
D)  Close to that of visible light. 
E)  None of the above; radio waves are not a form of radiation. 
A)  Very large. 
B)  Very small. 
C)  Large or small depending on frequency. 
D)  Close to that of visible light. 
E)  None of the above; radio waves are not a form of radiation.

Question 10

Which set of orbitals encompass two shapes?

Accepted Answer

A)  The s orbitals. 
B)  The p orbitals. 
C)  The d orbitals. 
D)  Both B and C, above. 
E)  Both A and C, above. 
A)  The s orbitals. 
B)  The p orbitals. 
C)  The d orbitals. 
D)  Both B and C, above. 
E)  Both A and C, above.

Question 11

The total number of orbitals in a shell with principal quantum number 5 is

Accepted Answer

A)  32. 
B)  50. 
C)  25. 
D)  40. 
E)  5. 
A)  32. 
B)  50. 
C)  25. 
D)  40. 
E)  5.

Question 12

What is the energy of a mole of photons with a frequency of 3.8 * 1014 /sec?

Accepted Answer

A)  1.5 * 105J/mol 
B)  1.5 *10-5J/mol 
C)  6.7 * 10-7J/mol 
D)  6.7 * 107J/mol 
E)  3.8 * 10-5J/mol  
A)  1.5 * 105J/mol 
B)  1.5 *10-5J/mol 
C)  6.7 * 10-7J/mol 
D)  6.7 * 107J/mol 
E)  3.8 * 10-5J/mol

Question 13

If a particle is confined to a one-dimensional box of length 300 pm, for $\Psi$3 the particle has zero probability of being found at

Accepted Answer

A)  100 and 200 pm, respectively. 
B)  150 pm only. 
C)  50, 150, and 250 pm, respectively. 
D)  50 and 250 pm, respectively. 
E)  75, 125, 175, and 225 pm, respectively. 
A)  100 and 200 pm, respectively. 
B)  150 pm only. 
C)  50, 150, and 250 pm, respectively. 
D)  50 and 250 pm, respectively. 
E)  75, 125, 175, and 225 pm, respectively.

Question 14

Which of the following has the largest radius?

Accepted Answer

A)  N3? 
B)  F- 
C)  H+ 
D)  He 
E)  O2? 
A)  N3? 
B)  F- 
C)  H+ 
D)  He 
E)  O2?

Question 15

Si4+ is isoelectronic with which of the following?

Accepted Answer

A)  K+  
B)  Ne  
C)  Kr 
D)  Cl- 
E)  Sr2+  
A)  K+  
B)  Ne  
C)  Kr 
D)  Cl- 
E)  Sr2+

Question 16

Calculate the velocity of an oxygen molecule, given that it has a de Broglie wavelength of 0.0140 nm.

Accepted Answer

A)  890. m.s-1 
B)  3.00 * 108 m.s-1 
C)  1780 m.s-1 
D)  445 m.s-1 
E)  8.90 m.s-1 
A)  890. m.s-1 
B)  3.00 * 108 m.s-1 
C)  1780 m.s-1 
D)  445 m.s-1 
E)  8.90 m.s-1

Question 17

Wavelength is defined how, in terms of electromagnetic radiation?

Accepted Answer

A)  The peak to peak distance between waves. 
B)  The peak to trough distance between waves. 
C)  The speed with which a wave traverses a distance. 
D)  The amplitude with which a wave traverses a distance. 
E)  The trough to peak distance between a wave as well as the speed the wave traverses this distance. 
A)  The peak to peak distance between waves. 
B)  The peak to trough distance between waves. 
C)  The speed with which a wave traverses a distance. 
D)  The amplitude with which a wave traverses a distance. 
E)  The trough to peak distance between a wave as well as the speed the wave traverses this distance.

Question 18

Which of the following is not a metal?

Accepted Answer

A)  Ba. 
B)  Br. 
C)  Ga. 
D)  Al. 
E)  Hg. 
A)  Ba. 
B)  Br. 
C)  Ga. 
D)  Al. 
E)  Hg.

Question 19

Which of the following atoms or ions is isoelectronic with Be2+?

Accepted Answer

A)  Na+  
B)  Br- 
C)  He 
D)  Xe 
E)  He+  
A)  Na+  
B)  Br- 
C)  He 
D)  Xe 
E)  He+

Question 20

Write the ground-state electron configuration of a samarium atom.

Accepted Answer

A)  [Xe]4f75d1  
B)  [Xe]5d8  
C)  [Xe]4f76s1  
D)  [Xe]4f8  
E)  [Xe]4f66s2  
A)  [Xe]4f75d1  
B)  [Xe]5d8  
C)  [Xe]4f76s1  
D)  [Xe]4f8  
E)  [Xe]4f66s2

Consider the following ground-state electronic configurations .Which atom has both the highest first ionization energy and the highest electron affinity?

What is the frequency of yellow light with a wavelength of 580 nm?

In 1.0 s, a 60 W bulb emits 11 J of energy in the form of infrared radiation (heat) Of wavelength 1850 nm. How many photons of infrared radiation does the lamp generate in 1.0 s?

An aluminum atom contains how many unpaired electrons?

Which atom has the highest second ionization energy?

Which of the following statements regarding electromagnetic radiation is true?

What is the energy of a mole of photons with a frequency of 3.2 * 10¹⁶ Hz?

If a particle is confined to a one-dimensional box of length 300 pm, for $\Psi$ ₃ the particle is most likely to be found at

What type of wavelength is characteristic of radio waves?

Which set of orbitals encompass two shapes?

The total number of orbitals in a shell with principal quantum number 5 is

What is the energy of a mole of photons with a frequency of 3.8 * 10¹⁴ /sec?

If a particle is confined to a one-dimensional box of length 300 pm, for $\Psi$ ₃ the particle has zero probability of being found at

Which of the following has the largest radius?

Si⁴⁺ is isoelectronic with which of the following?

Calculate the velocity of an oxygen molecule, given that it has a de Broglie wavelength of 0.0140 nm.

Wavelength is defined how, in terms of electromagnetic radiation?

Which of the following is not a metal?

Which of the following atoms or ions is isoelectronic with Be²⁺?

Write the ground-state electron configuration of a samarium atom.

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

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Exam 1: Atoms

Consider the following ground-state electronic configurations .Which atom has both the highest first ionization energy and the highest electron affinity?

What is the frequency of yellow light with a wavelength of 580 nm?

In 1.0 s, a 60 W bulb emits 11 J of energy in the form of infrared radiation (heat) Of wavelength 1850 nm. How many photons of infrared radiation does the lamp generate in 1.0 s?

An aluminum atom contains how many unpaired electrons?

Which atom has the highest second ionization energy?

Which of the following statements regarding electromagnetic radiation is true?

What is the energy of a mole of photons with a frequency of 3.2 * 1016 Hz?

If a particle is confined to a one-dimensional box of length 300 pm, for Ψ\PsiΨ 3 the particle is most likely to be found at

What type of wavelength is characteristic of radio waves?

Which set of orbitals encompass two shapes?

The total number of orbitals in a shell with principal quantum number 5 is

What is the energy of a mole of photons with a frequency of 3.8 * 1014 /sec?

If a particle is confined to a one-dimensional box of length 300 pm, for Ψ\PsiΨ 3 the particle has zero probability of being found at

Which of the following has the largest radius?

Si4+ is isoelectronic with which of the following?

Calculate the velocity of an oxygen molecule, given that it has a de Broglie wavelength of 0.0140 nm.

Wavelength is defined how, in terms of electromagnetic radiation?

Which of the following is not a metal?

Which of the following atoms or ions is isoelectronic with Be2+?

Write the ground-state electron configuration of a samarium atom.

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

What is the energy of a mole of photons with a frequency of 3.2 * 10¹⁶ Hz?

If a particle is confined to a one-dimensional box of length 300 pm, for $\Psi$ ₃ the particle is most likely to be found at

What is the energy of a mole of photons with a frequency of 3.8 * 10¹⁴ /sec?

If a particle is confined to a one-dimensional box of length 300 pm, for $\Psi$ ₃ the particle has zero probability of being found at

Si⁴⁺ is isoelectronic with which of the following?

Which of the following atoms or ions is isoelectronic with Be²⁺?