Deck 28: Quantum Mechanics of Atoms

Question 1

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The principal quantum number n can have any integer value ranging from

Answer 1

D

Question 2

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Answer 2

E

Question 3

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Answer 3

Question 4

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If the maximum possible accuracy in measuring the velocity of a particle increases, the maximum possible accuracy in measuring its position will

A) increase.
B) decrease.
C) not be affected.

Question 5

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The magnetic quantum number m1 can have any integer value ranging from

Question 6

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Which of the following values can be taken by the electron spin quantum number, ms?

A) ±3
B) 0
C) ±1
D) ±2
E) ±1/2

Question 7

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The orbital angular momentum quantum number can take which of the following values for any given value of the principal quantum number, n?

Question 8

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Question 9

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The electron spin quantum number can have values of

Question 10

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Question 11

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According to Pauli's exclusion principle, how many electrons in an atom may have a particular set of quantum numbers?

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

Question 12

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According to the quantum mechanical model of the hydrogen atom, if the principal quantum number is n, how many different orbital angular momentum quantum numbers are permitted?

A) 2n
B) 4n
C) 3n
D) n
E) n/2

Question 13

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Question 14

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If the maximum possible accuracy in measuring the lifetime of a particle increases, the maximum possible accuracy in measuring its energy will

A) increase.
B) decrease.
C) not be affected.

Question 15

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Question 16

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The orbital angular momentum quantum number ʆ can have any integer value ranging from

A) 0 to (n-1).
B) 0 to n.
C) 1 to (n+1).
D) 1 to n.
E) -n to n.

Question 17

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Question 18

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A hydrogen atom is in the 6h state. What is the principal quantum number.

A) 6
B) 7
C) 5
D) 0
E) 3

Question 19

Choose the one alternative that best completes the statement or answers the question.
If the maximum possible accuracy in measuring the energy of a particle increases, the maximum possible accuracy in measuring its lifetime will

A) increase.
B) decrease.
C) not be affected.

Question 20

Choose the one alternative that best completes the statement or answers the question.
If the maximum possible accuracy in measuring the position of a particle increases, the maximum possible accuracy in measuring its velocity will

A) increase.
B) decrease.
C) not be affected.

Question 21

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Question 22

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Question 23

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Question 24

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Question 25

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Question 26

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Question 27

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Question 28

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Question 29

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Question 30

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Question 31

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Question 32

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Question 33

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Question 34

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Question 35

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Question 36

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Question 37

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Question 38

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Question 39

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Question 40

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Question 41

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Question 42

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Question 43

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Question 44

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Question 45

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A hydrogen atom is in the 6h state. Which one of the following numbers could be an orbital angular momentum quantum number ʆ for that state?

A) 5
B) 6
C) 8
D) 9
E) 7

Question 46

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Question 47

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In a hydrogen atom, a given electron has n = 7. How many possible values can ʆ have?

A) 6
B) 98
C) 7
D) 15

Question 48

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Question 49

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Question 50

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Question 51

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Question 52

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A hydrogen atom is in the 6h state. Which one of the following is not a magnetic quantum number for that state?

A) 2
B) 4
C) 1
D) 6
E) 0

Question 53

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Question 54

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Question 55

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Question 56

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Question 57

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Question 58

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In a hydrogen atom, an electron with n = 7 can exist in how many different quantum states?

A) 6
B) 98
C) 7
D) 15

Question 59

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Question 60

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Question 61

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How many 2d electron states can an atom have?

A) 8
B) 4
C) 6
D) 10
E) 0

Question 62

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For the ground state of the hydrogen atom, which of the following numbers represents the correct value of the magnetic quantum number?

A) 1
B) -2
C) -1
D) 2
E) 0

Question 63

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How many 3d electron states can an atom have?

A) 6
B) 8
C) 4
D) 10
E) 0

Question 64

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Question 65

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How many electrons can be found with principal quantum number n = 3 in a suitably heavy atom?

A) 18
B) 6
C) 9
D) 20

Question 66

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How many unique quantum states correspond to the lowest possible energy level of an electron in the hydrogen atom?

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

Question 67

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How many values can the magnetic quantum number have in a hydrogen atom for which the orbital angular momentum quantum number is equal to 8?

A) 8
B) 5
C) 15
D) 9
E) 17

Question 68

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For the ground state of the hydrogen atom, which of the following numbers represents the correct value of the orbital angular momentum quantum number?

A) 1
B) -1
C) 0
D) 2
E) -2

Question 69

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How many values of the magnetic quantum number, mʆ, correspond to a value of ʆ = 4?

A) 7
B) 5
C) 9
D) 8
E) 3

Question 70

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Question 71

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How many electrons will fit into a 4f subshell?

A) 14
B) 7
C) 3
D) 4

Question 72

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Question 73

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How many possible sets of electron states (or quantum numbers) are there in the 5f subshell?

A) 14
B) 2
C) 8
D) 10

Question 74

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What is the maximum number of electrons that can occupy the g subshell?

A) 18
B) 22
C) 14
D) 10