Question 1

What is the energy of a mole of photons with a frequency of 6.9 * 1014 Hz?

Accepted Answer

A)  2.8 * 105J/mol 
B)  8.3 * 104J/mol 
C)  8.3 * 10-4J/mol 
D)  3.8 * 106J/mol 
E)  2.8 *10-6J/mol 
A)  2.8 * 105J/mol 
B)  8.3 * 104J/mol 
C)  8.3 * 10-4J/mol 
D)  3.8 * 106J/mol 
E)  2.8 *10-6J/mol A

Question 2

A mole of photons with a frequency of 3.1 * 1014 /sec has what energy?

Accepted Answer

A)  1.2 * 10-5J/mol 
B)  8.3 * 10-7J/mol 
C)  8.3 * 107J/mol 
D)  7.1 * 107J/mol 
E)  1.2 * 105J/mol  
A)  1.2 * 10-5J/mol 
B)  8.3 * 10-7J/mol 
C)  8.3 * 107J/mol 
D)  7.1 * 107J/mol 
E)  1.2 * 105J/mol  E

Question 3

Why is gamma radiation one of the most harmful forms of radiation to living organisms?

Accepted Answer

A) 	It can ionize covalent bonds, and destroy cells. 
B) 	It has low frequency and high wavelength. 
C) 	It has lower frequency than beta radiation. 
D) 	It is not a dangerous form of radiation; X-rays are more damaging 
A) 	It can ionize covalent bonds, and destroy cells. 
B) 	It has low frequency and high wavelength. 
C) 	It has lower frequency than beta radiation. 
D) 	It is not a dangerous form of radiation; X-rays are more damaging A

Question 4

Which of the following has the smallest radius?

Accepted Answer

A)  P+5 
B)  P3- 
C)  N+5 
D)  N 
E)  N3− 
A)  P+5 
B)  P3- 
C)  N+5 
D)  N 
E)  N3−

Question 5

The planet Mercury has a maximum intensity of solar radiation of 3700 nm on the sunlit side .What is the temperature of the surface of Mercury on the sunlit side? The empirical value of the constant in Wien's law is 2.9 K·mm.

Accepted Answer

A)  510oC 
B)  780oC 
C)  1100oC 
D)  290oC 
E)  543oC 
A)  510oC 
B)  780oC 
C)  1100oC 
D)  290oC 
E)  543oC

Question 6

The three quantum numbers for an electron in a hydrogen atom in a certain state are n = 4, l = 1,Ml = 1.The electron is located in what type of orbital?

Accepted Answer

A)  4s 
B)  3p 
C)  3d 
D)  4d 
E)  4p 
A)  4s 
B)  3p 
C)  3d 
D)  4d 
E)  4p

Question 7

Write the ground-state electron configuration of Tl+.

Accepted Answer

A)  [Xe]4f145d106p2  
B)  [Xe]4f145d106s2  
C)  [Xe]4f145d106s16p1  
D)  [Xe]4f145d86s16p3  
E)  [Xe]4f145d56s16p6  
A)  [Xe]4f145d106p2  
B)  [Xe]4f145d106s2  
C)  [Xe]4f145d106s16p1  
D)  [Xe]4f145d86s16p3  
E)  [Xe]4f145d56s16p6

Question 8

A photon with an energy of 1.8 * 10-19 J possesses what frequency in sec-1?

Accepted Answer

A)  7.2 * 10-14  
B)  2.7 * 1015  
C)  2.7 *10-14 
D)  2.7 * 1014  
E)  7.2 * 1015  
A)  7.2 * 10-14  
B)  2.7 * 1015  
C)  2.7 *10-14 
D)  2.7 * 1014  
E)  7.2 * 1015

Question 9

A photon with a frequency of 1.2 * 1015 Hz has what energy?

Accepted Answer

A)  8.0 * 10-19  
B)  1.0 * 10-19  
C)  8.0 * 1019  
D)  5.5 * 10-19 
E)  5.5 * 1049  
A)  8.0 * 10-19  
B)  1.0 * 10-19  
C)  8.0 * 1019  
D)  5.5 * 10-19 
E)  5.5 * 1049

Question 10

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

Accepted Answer

A)  [Xe]5d76s2  
B)  [Xe]4f25d56s2  
C)  [Xe]4f9  
D)  [Xe]4f76s2  
E)  [Xe]4f55d26s2  
A)  [Xe]5d76s2  
B)  [Xe]4f25d56s2  
C)  [Xe]4f9  
D)  [Xe]4f76s2  
E)  [Xe]4f55d26s2

Question 11

Consider the following ground-state electronic configurations . Which atom has the lowest first ionization energy?

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 12

Which of the following is a Lyman series line?

Accepted Answer

A)  954.6 nm 
B)  656.3 nm 
C)  486.1 nm 
D)  434.0 nm 
E)  None of the above. 
A)  954.6 nm 
B)  656.3 nm 
C)  486.1 nm 
D)  434.0 nm 
E)  None of the above.

Question 13

What is the energy of a photon with a frequency of 3.8 * 1014 Hz?

Accepted Answer

A)  1.5 * 10-15J 
B)  3.8 * 1014J 
C)  8.3 * 10-14J 
D)  3.8 * 10-19J 
E)  1.5 * 10-15J  
A)  1.5 * 10-15J 
B)  3.8 * 1014J 
C)  8.3 * 10-14J 
D)  3.8 * 10-19J 
E)  1.5 * 10-15J

Question 14

Which of the following is Wien's law?

Accepted Answer

A)  The maximum intensity of black-body radiation, ?max, is inversely proportional to the temperature. 
B)  ?max = constant × T where ?max is the intensity of black-body radiation and T is the temperature in K. 
C)  ?max = constant × T4 where ?max is the intensity of black-body radiation and T is the temperature in K. 
D)  The maximum intensity of black-body radiation, ?max, increases as the temperature increases. 
E)  T = 2.9 K.mm × ?max where ?max is the intensity of black-body radiation and T is the temperature in K. 
A)  The maximum intensity of black-body radiation, ?max, is inversely proportional to the temperature. 
B)  ?max = constant × T where ?max is the intensity of black-body radiation and T is the temperature in K. 
C)  ?max = constant × T4 where ?max is the intensity of black-body radiation and T is the temperature in K. 
D)  The maximum intensity of black-body radiation, ?max, increases as the temperature increases. 
E)  T = 2.9 K.mm × ?max where ?max is the intensity of black-body radiation and T is the temperature in K.

Question 15

What is the frequency of a photon that has an energy of 5.4 * 10-18 J?

Accepted Answer

A)  1.6 * 10-34Hz  
B)  1.2 * 1016Hz  
C)  1.2*10-16Hz 
D)  8.1 *1015Hz  
E)  8.1 * 1015Hz . 
A)  1.6 * 10-34Hz  
B)  1.2 * 1016Hz  
C)  1.2*10-16Hz 
D)  8.1 *1015Hz  
E)  8.1 * 1015Hz .

Question 16

Which of the following is likely to form ions two units lower in charge than expected from the group number?

Accepted Answer

A)  Hg 
B)  Cd 
C)  Sb 
D)  Ge 
E)  Zn 
A)  Hg 
B)  Cd 
C)  Sb 
D)  Ge 
E)  Zn

Question 17

Which atom has the highest first ionization energy?

Accepted Answer

A)  Mg 
B)  Ca 
C)  Sr 
D)  Ba 
A)  Mg 
B)  Ca 
C)  Sr 
D)  Ba

Question 18

Which of the following has the largest effective nuclear charge?

Accepted Answer

A)  F 
B)  Na 
C)  Li 
D)  He 
E)  N 
A)  F 
B)  Na 
C)  Li 
D)  He 
E)  N

Question 19

What is the ground-state electron configuration of Nb?

Accepted Answer

A)  [Kr]4d45s1  
B)  [Kr]4d55s2  
C)  [Kr]5d34s2  
D)  [Kr]5d35s2  
E)  [Kr]4d35s2  
A)  [Kr]4d45s1  
B)  [Kr]4d55s2  
C)  [Kr]5d34s2  
D)  [Kr]5d35s2  
E)  [Kr]4d35s2

Question 20

All the following are metals except:

Accepted Answer

A)  Cd. 
B)  Zn. 
C)  Ge. 
D)  Al. 
E)  Ga. 
A)  Cd. 
B)  Zn. 
C)  Ge. 
D)  Al. 
E)  Ga.

What is the energy of a mole of photons with a frequency of 6.9 * 10¹⁴ Hz?

A mole of photons with a frequency of 3.1 * 10¹⁴ /sec has what energy?

Why is gamma radiation one of the most harmful forms of radiation to living organisms?

Which of the following has the smallest radius?

The planet Mercury has a maximum intensity of solar radiation of 3700 nm on the sunlit side .What is the temperature of the surface of Mercury on the sunlit side? The empirical value of the constant in Wien's law is 2.9 K·mm.

The three quantum numbers for an electron in a hydrogen atom in a certain state are n = 4, l = 1,M_l = 1.The electron is located in what type of orbital?

Write the ground-state electron configuration of Tl⁺.

A photon with an energy of 1.8 * 10^-19 J possesses what frequency in sec^-1?

A photon with a frequency of 1.2 * 10¹⁵ Hz has what energy?

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

Consider the following ground-state electronic configurations . Which atom has the lowest first ionization energy?

Which of the following is a Lyman series line?

What is the energy of a photon with a frequency of 3.8 * 10¹⁴ Hz?

Which of the following is Wien's law?

What is the frequency of a photon that has an energy of 5.4 * 10^-18 J?

Which of the following is likely to form ions two units lower in charge than expected from the group number?

Which atom has the highest first ionization energy?

Which of the following has the largest effective nuclear charge?

What is the ground-state electron configuration of Nb?

All the following are metals except:

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Exam 1: Atoms

What is the energy of a mole of photons with a frequency of 6.9 * 1014 Hz?

A mole of photons with a frequency of 3.1 * 1014 /sec has what energy?

Why is gamma radiation one of the most harmful forms of radiation to living organisms?

Which of the following has the smallest radius?

The planet Mercury has a maximum intensity of solar radiation of 3700 nm on the sunlit side .What is the temperature of the surface of Mercury on the sunlit side? The empirical value of the constant in Wien's law is 2.9 K·mm.

The three quantum numbers for an electron in a hydrogen atom in a certain state are n = 4, l = 1,Ml = 1.The electron is located in what type of orbital?

Write the ground-state electron configuration of Tl+.

A photon with an energy of 1.8 * 10-19 J possesses what frequency in sec-1?

A photon with a frequency of 1.2 * 1015 Hz has what energy?

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

Consider the following ground-state electronic configurations . Which atom has the lowest first ionization energy?

Which of the following is a Lyman series line?

What is the energy of a photon with a frequency of 3.8 * 1014 Hz?

Which of the following is Wien's law?

What is the frequency of a photon that has an energy of 5.4 * 10-18 J?

Which of the following is likely to form ions two units lower in charge than expected from the group number?

Which atom has the highest first ionization energy?

Which of the following has the largest effective nuclear charge?

What is the ground-state electron configuration of Nb?

All the following are metals except:

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 6.9 * 10¹⁴ Hz?

A mole of photons with a frequency of 3.1 * 10¹⁴ /sec has what energy?

The three quantum numbers for an electron in a hydrogen atom in a certain state are n = 4, l = 1,M_l = 1.The electron is located in what type of orbital?

Write the ground-state electron configuration of Tl⁺.

A photon with an energy of 1.8 * 10^-19 J possesses what frequency in sec^-1?

A photon with a frequency of 1.2 * 10¹⁵ Hz has what energy?

What is the energy of a photon with a frequency of 3.8 * 10¹⁴ Hz?

What is the frequency of a photon that has an energy of 5.4 * 10^-18 J?