Question 1

Calculate the energy of the orange light emitted,per photon,by a neon sign with a frequency of 4.89 × 1014 Hz.

Accepted Answer

A)   3.09 × 10-19 J
B)   6.14 × 10-19 J
C)   3.24 × 10-19 J
D)   1.63 × 10-19 J
E)   5.11 × 10-19 J

Question 2

Why don't we observe the wavelength of everyday macroscopic objects?

Accepted Answer

Due to the large mass of macro...

Question 3

Give all possible values of l for a n=5 sublevel.

Accepted Answer

A)   5
B)   -1/2
C)   0, 1, 2, 3, 4
D)   -3, -2, -1, 0, 1, 2, 3
E)   1, 2, 3, 4, 5 C

Question 4

Determine the mass of a ball with a velocity of 40.0 m/s and a wavelength of 8.92 × 10-34 m.

Accepted Answer

A)   29.7 g
B)   594 g
C)   2.36 g
D)   53.8 g
E)   18.6 g

Question 5

________ are used to image bones and internal organs.

Accepted Answer

A)   Ultraviolet light
B)   Gamma rays
C)   Microwaves
D)   X-rays
E)   Radio waves

Question 6

How many photons are contained in a burst of yellow light (589 nm) from a sodium lamp that contains 616 kJ of energy?

Accepted Answer

A)   2.08 × 1013 photons
B)   3.06 × 1030 photons
C)   1.83 × 1024 photons
D)   4.03 × 1028 photons
E)   2.48 × 1025 photons

Question 7

Give an example of a d orbital.

Accepted Answer

The answer of Give an example of a d orbital....

Question 8

Place the following types of electromagnetic radiation in order of increasing wavelength. ultraviolet light gamma rays microwaves

Accepted Answer

A)   gamma rays 
B)   microwaves 
C)   microwaves 
D)   ultraviolet light 
E)   gamma rays < ultraviolet light < microwaves

Question 9

Which of the following transitions represent the emission of a photon with the largest energy?

Accepted Answer

A)   n = 2 to n = 1
B)   n = 3 to n = 1
C)   n = 6 to n = 3
D)   n = 1 to n = 4
E)   n = 2 to n = 5

Question 10

Which of the following visible colors of light has the highest frequency?

Accepted Answer

A)   green
B)   red
C)   blue
D)   yellow
E)   orange

Question 11

Calculate the wavelength (in nm) of a the red light emitted by a neon sign with a frequency of 5.00 × 1014 Hz.

Accepted Answer

A)   600 nm
B)   167 nm
C)   500 nm
D)   800 nm
E)   200 nm

Question 12

Determine the velocity of a marble (m = 7.75 g) with a wavelength of 3.46 × 10-33 m.

Accepted Answer

A)   40.5 m/s
B)   2.47 m/s
C)   24.7 m/s
D)   38.8 m/s
E)   52.9 m/s

Question 13

Determine the end (final) value of n in a hydrogen atom transition,if the electron starts in  and the atom emits a photon of light with a wavelength of 486 nm.

Accepted Answer

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

Question 14

Choose the transition (in a hydrogen atom) below that represents the absorption of the shortest wavelength photon.

Accepted Answer

A)   n = 1 to n = 2
B)   n = 2 to n = 3
C)   n = 4 to n = 6
D)   n = 6 to n = 5
E)   n = 3 to n = 1

Question 15

Calculate the energy of the red light emitted by a neon atom with a wavelength of 703.2 nm.

Accepted Answer

A)   3.54 × 10-19 J
B)   4.27 × 10-19 J
C)   2.34 × 10-19 J
D)   6.45 × 10-19 J
E)   2.83 × 10-19 J

Question 16

Give the numbers for ml for an f orbital.

Accepted Answer

A)   0, 1, 2, 3
B)   1, 2, 3, 4
C)   -3, -2, -1, 0, 1, 2, 3
D)   -2, -1, 0, 1, 2

Question 17

If two electrons in the same atom have the same value of "l",they are

Accepted Answer

A)   in the same sublevel, but not necessarily in the same level.
B)   in the same level, but different sublevel.
C)   in the same orbital.
D)   in different levels and in different shaped orbitals.
E)   none of the above. A

Question 18

Calculate the wavelength (in nm) of the blue light emitted by a mercury lamp with a frequency of 6.88 × 1014 Hz.

Accepted Answer

A)   229 nm
B)   436 nm
C)   206 nm
D)   485 nm
E)   675 nm B

Question 19

When a wave encounters an obstacle or a slit that is comparable in size to its wavelength,it bends around it.This characteristic is called

Accepted Answer

A)   destructive interference.
B)   diffraction.
C)   constructive interference.
D)   effusion.
E)   amplitude.

Question 20

For a hydrogen atom,which electronic transition would result in the emission of a photon with the highest energy?

Accepted Answer

A)   1s → 2p
B)   3p → 7d
C)   3p → 1s
D)   6f → 4d

Exam 3: The Quantum Mechanical Model of the Atom

Calculate the energy of the orange light emitted,per photon,by a neon sign with a frequency of 4.89 × 1014 Hz.

Correct AnswerverifiedShow Answer

Why don't we observe the wavelength of everyday macroscopic objects?

Correct AnswerverifiedDue to the large mass of macro...View AnswerShow Answer

Give all possible values of l for a n=5 sublevel.

Correct AnswerverifiedC

Determine the mass of a ball with a velocity of 40.0 m/s and a wavelength of 8.92 × 10-34 m.

Correct AnswerverifiedShow Answer

________ are used to image bones and internal organs.

Correct AnswerverifiedShow Answer

How many photons are contained in a burst of yellow light (589 nm) from a sodium lamp that contains 616 kJ of energy?

Correct AnswerverifiedShow Answer

Give an example of a d orbital.

Correct AnswerverifiedShow Answer

Place the following types of electromagnetic radiation in order of increasing wavelength. ultraviolet light gamma rays microwaves

Correct AnswerverifiedShow Answer

Which of the following transitions represent the emission of a photon with the largest energy?

Correct AnswerverifiedShow Answer

Which of the following visible colors of light has the highest frequency?

Correct AnswerverifiedShow Answer

Calculate the wavelength (in nm) of a the red light emitted by a neon sign with a frequency of 5.00 × 1014 Hz.

Correct AnswerverifiedShow Answer

Determine the velocity of a marble (m = 7.75 g) with a wavelength of 3.46 × 10-33 m.

Correct AnswerverifiedShow Answer

Determine the end (final) value of n in a hydrogen atom transition,if the electron starts in and the atom emits a photon of light with a wavelength of 486 nm.

Correct AnswerverifiedShow Answer

Choose the transition (in a hydrogen atom) below that represents the absorption of the shortest wavelength photon.

Correct AnswerverifiedShow Answer

Calculate the energy of the red light emitted by a neon atom with a wavelength of 703.2 nm.

Correct AnswerverifiedShow Answer

Give the numbers for ml for an f orbital.

Correct AnswerverifiedShow Answer

If two electrons in the same atom have the same value of "l",they are

Correct AnswerverifiedA

Calculate the wavelength (in nm) of the blue light emitted by a mercury lamp with a frequency of 6.88 × 1014 Hz.

Correct AnswerverifiedB

When a wave encounters an obstacle or a slit that is comparable in size to its wavelength,it bends around it.This characteristic is called

Correct AnswerverifiedShow Answer

For a hydrogen atom,which electronic transition would result in the emission of a photon with the highest energy?

Correct AnswerverifiedShow Answer

Calculate the energy of the orange light emitted,per photon,by a neon sign with a frequency of 4.89 × 10¹⁴ Hz.

Correct Answer
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Correct Answer
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Due to the large mass of macro...
View Answer

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C

Determine the mass of a ball with a velocity of 40.0 m/s and a wavelength of 8.92 × 10^-34 m.

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Calculate the wavelength (in nm) of a the red light emitted by a neon sign with a frequency of 5.00 × 10¹⁴ Hz.

Correct Answer
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Determine the velocity of a marble (m = 7.75 g) with a wavelength of 3.46 × 10^-33 m.

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Give the numbers for m_l for an f orbital.

Correct Answer
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A

Calculate the wavelength (in nm) of the blue light emitted by a mercury lamp with a frequency of 6.88 × 10¹⁴ Hz.

Correct Answer
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B

Correct Answer
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Correct Answer
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