Question 1

When a mole of photons has the energy 3.3 * 107 J, what is its frequency,
In Hz?

Accepted Answer

A)  2.6 * 10-15 
B)  2.6 * 1016 
C)  8.2 * 10-15 
D)  8.2 * 1016 
E)  13.3 * 10-7  
A)  2.6 * 10-15 
B)  2.6 * 1016 
C)  8.2 * 10-15 
D)  8.2 * 1016 
E)  13.3 * 10-7

Question 2

Of the following, which wavelength range is visible to the human eye?

Accepted Answer

A)  950 nm 
B)  870 nm 
C)  770 nm 
D)  500 nm 
E)  380 nm 
A)  950 nm 
B)  870 nm 
C)  770 nm 
D)  500 nm 
E)  380 nm

Question 3

If radiation has a frequency of 3.1 * 1016 sec-1, what is its wavelength?

Accepted Answer

A)  1.0 * 108 cm 
B)  1.0 * 10-8 cm 
C)  1.0 * 108 m 
D)  1.0 * 10-8 m 
E)  3.0 * 10-8 m 
A)  1.0 * 108 cm 
B)  1.0 * 10-8 cm 
C)  1.0 * 108 m 
D)  1.0 * 10-8 m 
E)  3.0 * 10-8 m

Question 4

When radiation has a frequency of 1.5 * 1015 Hz, what is its wavelength?

Accepted Answer

A)  3.0 * 10-11 m 
B)  4.2 * 10-7 m 
C)  2.0 * 10-7 cm 
D)  2.0 * 10-7 m 
E)  2.0 * 10-8 m 
A)  3.0 * 10-11 m 
B)  4.2 * 10-7 m 
C)  2.0 * 10-7 cm 
D)  2.0 * 10-7 m 
E)  2.0 * 10-8 m

Question 5

The Balmer series of lines for the hydrogen atom are found only in the visible region of the spectrum.

Accepted Answer

A) True 
 B)False

Question 6

What are the subshell notation and the number of orbitals having the quantum numbers n = 4, l = 2?

Accepted Answer

A)  4d and 10 
B)  4f and 14 
C)  4d and 5 
D)  4p and 3 
E)  4f and 7 
A)  4d and 10 
B)  4f and 14 
C)  4d and 5 
D)  4p and 3 
E)  4f and 7

Question 7

What is the inert-pair effect?

Accepted Answer

The inert-pair effect is the t

Question 8

What is the wavelength of radiation with a frequency of 1.1 *1011 /sec?

Accepted Answer

A)  3.7 * 102 m 
B)  2.7 * 10-3 cm 
C)  2.7 * 10-3 m 
D)  3.7 * 102 cm 
E)  2.7 * 10-13 m 
A)  3.7 * 102 m 
B)  2.7 * 10-3 cm 
C)  2.7 * 10-3 m 
D)  3.7 * 102 cm 
E)  2.7 * 10-13 m

Question 9

What is the energy of a mole of photons with a frequency of 5.8 * 1015 sec-1?

Accepted Answer

A)  2.3 * 10-5J/mol 
B)  2.3 * 106J/mol 
C)  4.9 * 106J/mol 
D)  4.9  * 10-50J/mol 
E)  5.8 * 10-15J/mol  
A)  2.3 * 10-5J/mol 
B)  2.3 * 106J/mol 
C)  4.9 * 106J/mol 
D)  4.9  * 10-50J/mol 
E)  5.8 * 10-15J/mol

Question 10

What is the only secondary quantum number associated with the 4s orbital?

Accepted Answer

A)  l = 0 
B)  l = 1 
C)  l = 2 
D)  l = 3 
E)  l = 4 
A)  l = 0 
B)  l = 1 
C)  l = 2 
D)  l = 3 
E)  l = 4

Question 11

Calculate the longest-wavelength line in the Balmer series for hydrogen.

Accepted Answer

A)  182 nm 
B)  657 nm 
C)  536 nm 
D)  122 nm 
E)  486 nm 
A)  182 nm 
B)  657 nm 
C)  536 nm 
D)  122 nm 
E)  486 nm

Question 12

Which of the following is expected to approximate the value of the wavelength of a 5-g bullet traveling at 1300 miles per hour?

Accepted Answer

A)  2 m 
B)  2 *10-34 m 
C)  200 pm 
D)  2 pm 
A)  2 m 
B)  2 *10-34 m 
C)  200 pm 
D)  2 pm

Question 13

Which of the following atoms has the highest electron affinity?

Accepted Answer

A)  Ar 
B)  P 
C)  Al 
D)  Si 
A)  Ar 
B)  P 
C)  Al 
D)  Si

Question 14

Which of the following species is isoelectronic with As3-?

Accepted Answer

A)  Na+  
B)  Cl- 
C)  Ar 
D)  Kr 
E)  Ba2+  
A)  Na+  
B)  Cl- 
C)  Ar 
D)  Kr 
E)  Ba2+

Question 15

A chloride ion contains how many unpaired electrons?

Accepted Answer

A)  8 
B)  6 
C)  4 
D)  2 
E)  0 
A)  8 
B)  6 
C)  4 
D)  2 
E)  0

Question 16

Calculate the wavelength of a motorcycle of mass 275 kg traveling at a speed of 125 km.hr-1

Accepted Answer

A)  6.94  * 10-38 m 
B)  1.93 * 10-38 m 
C)  1.93 * 10-41 m 
D)  2.41 * 10-36 m 
E)  2.08 * 10-29 m 
A)  6.94  * 10-38 m 
B)  1.93 * 10-38 m 
C)  1.93 * 10-41 m 
D)  2.41 * 10-36 m 
E)  2.08 * 10-29 m

Question 17

Carotene,which is partly responsible for the color of carrots, has 22 $	\pi $ electrons in a conjugated system and a length of about 3 nm. The lowest energy transition in carotene is from n = ___ to n = ___.

Accepted Answer

The answer of Carotene,which is partly responsible for the color...

Question 18

What is the frequency, in Hz, Of a photon with energy of 2.3 * 10-17 J?

Accepted Answer

A)  3.4 * 10-16  
B)  3.4 * 1016  
C)  6.8 *10-19 
D)  6.8 * 1016  
E)  2.8 * 10-15  
A)  3.4 * 10-16  
B)  3.4 * 1016  
C)  6.8 *10-19 
D)  6.8 * 1016  
E)  2.8 * 10-15

Question 19

Which of the following is the smallest wavelength electromagnetic radiation?

Accepted Answer

A)  Radio. 
B)  Microwave. 
C)  Ultraviolet. 
D)  Visible blue light. 
E)  Infrared. 
A)  Radio. 
B)  Microwave. 
C)  Ultraviolet. 
D)  Visible blue light. 
E)  Infrared.

Question 20

Radiation with a wavelength of 2 - 10 pm is in what part of the electromagnetic spectrum?

Accepted Answer

A)  Radio waves. 
B)  Microwave radiation. 
C)  Ultraviolet radiation. 
D)  X - radiation. 
E)  Gamma radiation. 
A)  Radio waves. 
B)  Microwave radiation. 
C)  Ultraviolet radiation. 
D)  X - radiation. 
E)  Gamma radiation.

When a mole of photons has the energy 3.3 * 10⁷ J, what is its frequency, In Hz?

Of the following, which wavelength range is visible to the human eye?

If radiation has a frequency of 3.1 * 10¹⁶ sec^-1, what is its wavelength?

When radiation has a frequency of 1.5 * 10¹⁵ Hz, what is its wavelength?

The Balmer series of lines for the hydrogen atom are found only in the visible region of the spectrum.

What are the subshell notation and the number of orbitals having the quantum numbers n = 4, l = 2?

What is the inert-pair effect?

What is the wavelength of radiation with a frequency of 1.1 *10¹¹/sec?

What is the energy of a mole of photons with a frequency of 5.8 * 10¹⁵ sec^-1?

What is the only secondary quantum number associated with the 4s orbital?

Calculate the longest-wavelength line in the Balmer series for hydrogen.

Which of the following is expected to approximate the value of the wavelength of a 5-g bullet traveling at 1300 miles per hour?

Which of the following atoms has the highest electron affinity?

Which of the following species is isoelectronic with As^3-?

A chloride ion contains how many unpaired electrons?

Calculate the wavelength of a motorcycle of mass 275 kg traveling at a speed of 125 km.hr^-1

Carotene,which is partly responsible for the color of carrots, has 22 $\pi$ electrons in a conjugated system and a length of about 3 nm. The lowest energy transition in carotene is from n = _ to n = _.

What is the frequency, in Hz, Of a photon with energy of 2.3 * 10^-17 J?

Which of the following is the smallest wavelength electromagnetic radiation?

Radiation with a wavelength of 2 - 10 pm is in what part of the electromagnetic spectrum?

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

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Exam 1: Atoms

When a mole of photons has the energy 3.3 * 107 J, what is its frequency, In Hz?

Of the following, which wavelength range is visible to the human eye?

If radiation has a frequency of 3.1 * 1016 sec-1, what is its wavelength?

When radiation has a frequency of 1.5 * 1015 Hz, what is its wavelength?

The Balmer series of lines for the hydrogen atom are found only in the visible region of the spectrum.

What are the subshell notation and the number of orbitals having the quantum numbers n = 4, l = 2?

What is the inert-pair effect?

What is the wavelength of radiation with a frequency of 1.1 *1011 /sec?

What is the energy of a mole of photons with a frequency of 5.8 * 1015 sec-1?

What is the only secondary quantum number associated with the 4s orbital?

Calculate the longest-wavelength line in the Balmer series for hydrogen.

Which of the following is expected to approximate the value of the wavelength of a 5-g bullet traveling at 1300 miles per hour?

Which of the following atoms has the highest electron affinity?

Which of the following species is isoelectronic with As3-?

A chloride ion contains how many unpaired electrons?

Calculate the wavelength of a motorcycle of mass 275 kg traveling at a speed of 125 km.hr-1

Carotene,which is partly responsible for the color of carrots, has 22 π \pi π electrons in a conjugated system and a length of about 3 nm. The lowest energy transition in carotene is from n = ___ to n = ___.

What is the frequency, in Hz, Of a photon with energy of 2.3 * 10-17 J?

Which of the following is the smallest wavelength electromagnetic radiation?

Radiation with a wavelength of 2 - 10 pm is in what part of the electromagnetic spectrum?

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

When a mole of photons has the energy 3.3 * 10⁷ J, what is its frequency, In Hz?

If radiation has a frequency of 3.1 * 10¹⁶ sec^-1, what is its wavelength?

When radiation has a frequency of 1.5 * 10¹⁵ Hz, what is its wavelength?

What is the wavelength of radiation with a frequency of 1.1 *10¹¹/sec?

What is the energy of a mole of photons with a frequency of 5.8 * 10¹⁵ sec^-1?

Which of the following species is isoelectronic with As^3-?

Calculate the wavelength of a motorcycle of mass 275 kg traveling at a speed of 125 km.hr^-1

Carotene,which is partly responsible for the color of carrots, has 22 $\pi$ electrons in a conjugated system and a length of about 3 nm. The lowest energy transition in carotene is from n = _ to n = _.

What is the frequency, in Hz, Of a photon with energy of 2.3 * 10^-17 J?