Exercise 7.40: Problems by Topic - Electromagnetic Radiation

Part A

List the following types of electromagnetic radiation in order of increasing frequency.

ANSWER:

[removed]radio waves, microwaves, visible light, gamma rays

[removed]radio waves, visible light, microwaves, gamma rays

[removed]visible light, radio waves, microwaves, gamma rays

[removed]visible light, radio waves, gamma rays, microwaves

Correct

Part B

List the following types of electromagnetic radiation in order of decreasing energy per photon.

ANSWER:

[removed]microwaves, visible light, gamma rays, radio waves

[removed]microwaves, gamma rays, visible light, radio waves

[removed]gamma rays, visible light, microwaves, radio waves

[removed]gamma rays, microwaves, visible light, radio waves

Correct

Exercise 7.56: Problems by Topic - Orbitals and Quantum Numbers

Part A

Which electron is, on average, further from the nucleus: an electron in a 3p orbital or an electron in a 4p orbital?

ANSWER:

[removed]3p

[removed]4p

Correct

Exercise 7.59: Problems by Topic - Orbitals and Quantum Numbers

Part A

Which set of quantum numbers cannot occur together to specify an orbital?

ANSWER:

[removed]n=2,l=0,ml=0

[removed]n=3,l=3,ml=2

[removed]n=4,l=2,ml=0

[removed]n=3,l=1,ml=−1

Correct

Exercise 7.60: Problems by Topic - Orbitals and Quantum Numbers

Part A

Which of the following combinations of n and l represent real orbitals and which are impossible?

Drag the appropriate items to their respective bins.

ANSWER:

Exercise 7.64: Problems by Topic - Atomic Spectroscopy

Determine whether each of the following transitions in the hydrogen atom corresponds to absorption or emission of energy.

Part A

n=3→n=1

ANSWER:

[removed]absorption of energy

[removed]emission of energy

Correct

Part B

n=2→n=4

ANSWER:

[removed]absorption of energy

[removed]emission of energy

Correct

Part C

n=4→n=3

ANSWER:

[removed]absorption of energy

[removed]emission of energy

Correct

Exercise 7.79: Cumulative Problems

Suppose that in an alternate universe, the possible values of l were the integer values from 0 to n (instead of 0 to n−1). Assuming no other differences from this universe, how many orbitals would exist in each of the following levels?

Part A

n = 1

ANSWER:

Part B

n = 2

ANSWER:

Part C

n = 4

ANSWER:

Exercise 7.65: Problems by Topic - Atomic Spectroscopy

Part A

According to the quantum-mechanical model for the hydrogen atom, which of the following electron transitions would produce light with the longer wavelength: 2p→1s or 3p→1s?

ANSWER:

[removed]2p→1s

[removed]3p→1s

Correct

Exercise 7.55: Problems by Topic - Orbitals and Quantum Numbers

Part A

Which electron is, on average, closer to the nucleus: an electron in a 2s orbital or an electron in a 3s orbital?

ANSWER:

[removed]an electron in a 2s orbital

[removed]an electron in a 3s orbital

Correct

Exercise 7.41: Problems by Topic - Electromagnetic Radiation

Calculate the frequency of each of the following wave lengths of electromagnetic radiation.

Part A

488.0 nm (wavelength of argon laser)

Express your answer using four significant figures.

ANSWER:

Part B

503.0 nm (wavelength of maximum solar radiation)

Express your answer using four significant figures.

ANSWER:

Part C

337.1 nm (wavelength of nitrogen laser)

Express your answer using four significant figures.

ANSWER:

 

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    MGMT 404 QUIZ CHAPTER 7

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