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# Introduction to Quantum Mechanics Solutions Library

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153 solutions

Introduction to Quantum Mechanics

#### Q. When l = 1, what can you deduce about n? And if ml = 4, what can you say about quantum number l?

Solved • Mar 25, 2020

Introduction to Quantum Mechanics

#### Q. If ml = 4, what can you say about ℓ?a) ℓ = 4b) ℓ &gt; 4c) ℓ ≥ 4d) ℓ &lt; 4e) ℓ ≤ 4

Solved • Mar 20, 2020

Introduction to Quantum Mechanics

#### Q. If an atom has an electron in the n = 4 state with ml = 2, what are the possible values of l?

Solved • Mar 18, 2020

Introduction to Quantum Mechanics

#### Q. Which of the following represents an impossible combination of the quantum numbers n and l?A) 1sB) 2dC) 3pD) 4dE) 5f

Solved • Nov 25, 2019

Introduction to Quantum Mechanics

#### Q. What is the maximum number of electrons that can occupy individual 2s and 2p orbitals?a. 2 and 2, respectivelyb. 2 and 6, respectivelyc. 2 and 2, r...

Solved • Oct 8, 2019

Introduction to Quantum Mechanics

#### Q. Of the following listed orbital choices - 1p, 2d, 3d, &amp; 4f , only ___________ can exist.a. 1pb. 3d c. 2d and 3dd. 3d, and 4fe. 4f

Solved • Oct 8, 2019

Introduction to Quantum Mechanics

#### Q. What label is given to a subshell or orbital with the quantum numbers n = 5 and l = 3?a. 5sb. 5pc. 5dd. 5fe. 5g

Solved • Oct 8, 2019

Introduction to Quantum Mechanics

#### Q. Which set of quantum numbers (principal, angular and magnetic) are  not valid?Set (1) 4, 2, -3Set (2) 3, 2, -2Set (3) 2, 2, +1a. Sets (1) and (2)b....

Solved • Oct 8, 2019

Introduction to Quantum Mechanics

#### Q. Which statement about quantum numbers is  incorrect?  Answer (e) if they are all correct or all incorrect.a. The principal quantum number cannot eq...

Solved • Oct 8, 2019

Introduction to Quantum Mechanics

#### Q. 10. The lowest energy shell that contains f orbitals is the shell with n = __________.A) 3B) 2C) 4D) 1E) 5

Solved • Oct 1, 2019

Introduction to Quantum Mechanics

#### Q. Which set of quantum numbers is not allowed?a. n = 3, l = 0 , ml = 0b. n = 2, l = 1 , ml = -1c. n = 1, l = 0 , ml = 0d. n = 4, l = 1 , ml = -2

Solved • Sep 15, 2019

Introduction to Quantum Mechanics

#### Q. Which one of the following is TRUE for a 3s orbital?A) The possible values of ml for a 3s orbital are -1, 0, and +1. B) A 3s orbital has 3 radial n...

Solved • Sep 12, 2019

Introduction to Quantum Mechanics

#### Q. What are the values of the quantum numbers associated with the following orbitals: 2p, 3s, and 5d?

Solved • Aug 8, 2019

Introduction to Quantum Mechanics

#### Q. What are the possible values of n and ml for an electron in a 5d orbital ? A) n = 5 and ml = -2, -1, 0, +1, or +2 B) n = 1, 2, 3, 4, or 5 and ml = ...

Solved • Aug 7, 2019

Introduction to Quantum Mechanics

#### Q. Which of the following is a correct set of quantum numbers for an electron in a 3d orbital? a. n = 3, l = 0, m l = -1 b. n = 3, l = 1, m l = +3 c. ...

Solved • Aug 5, 2019

Introduction to Quantum Mechanics

#### Q. You may want to reference (Pages 232 - 235) Section 6.6 while completing this problem.The contour representation of one of the orbitals for the n =...

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. For an He+ ion, do the 2s and 2p orbitals have the same energy? If we add one electron to form the He atom, would your answer change?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. The contour representation of one of the orbitals for the n = 3 shell of a hydrogen atom is shown in the figure below.What is the quantum number el...

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. Stars do not all have the same temperature. The color of light emitted by stars is characteristic of the light emitted by hot objects. Telescopic p...

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. A certain quantum-mechanical system has the energy levels shown in the accompanying diagram. The energy levels are indexed by a single quantum numb...

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. The accompanying drawing shows a contour plot for a dyz orbital. Consider the quantum numbers that could potentially correspond to this orbital. ...

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. The accompanying drawing shows a contour plot for a dyz orbital. Consider the quantum numbers that could potentially correspond to this orbital.Wha...

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. Do you think that the formation of a rainbow is more a demonstration of the wave-like or particle-like behavior of light?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. Consider the notes that can be played on a piano.In this analogy, would a violin be continuous or quantized?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. In a many-electron atom, can we predict unambiguously whether the 4s orbital is lower or higher in energy than the 3d orbitals?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. You may want to reference(Pages 227 - 231)Section 6.5 while completing this problem.For the table that follows, indicate which orbital corresponds ...

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. For the hydrogen atom, list the following orbitals in order of decreasing energy: 3s, 2s, 2p, 5s, 4d.

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. Give the numerical value of l corresponding to 5d.

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. If ml is 2, what are the possible values for l (for all atoms in their ground states that are known to exist)?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. How many possible combinations are there for the values of l and ml when exttip{n}{nA} = 2?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. A baseball pitcher throws a fastball that moves at 95 miles per hour. Does that moving baseball generate matter waves?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. What are the basic SI units for the wavelength of light?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. What are the basic SI units for the frequency of light?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. How many possible values of ml would there be if l = 20?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. What are all the possible values of m l if l = 0 (an s orbital)?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. What are all the possible values of ml if l = 1 (a p orbital)?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. What is the value of the angular momentum quantum number associated with 5d.

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. Suppose that in an alternate universe, the possible values of l are the integer values from 0 to n (instead of 0 to n - 1). Assuming no other diffe...

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. Suppose that in an alternate universe, the possible values of l are the integer values from 0 to n (instead of 0 to n - 1). Assuming no other diffe...

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. Suppose that in an alternate universe, the possible values of l are the integer values from 0 to n (instead of 0 to n - 1). Assuming no other diffe...

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. Suppose that, in an alternate universe, the possible values of mℓ are the integer values including 0 ranging from -ℓ-1 to ℓ+1 (instead of simply -ℓ...

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. Suppose that, in an alternate universe, the possible values of ml are the integer values including 0 ranging from - l-1 to l+1 (inste...

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. How do the 4d orbitals differ from the 3d orbitals?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. List all the orbitals in each principal level. Specify the three quantum numbers for each orbital.n = 1

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. List all the orbitals in each principal level. Specify the three quantum numbers for each orbital.n = 4

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. An electron behaves in ways that are at least partially indeterminate.What does this mean?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. What does the angular momentum quantum number determine in a hydrogen atom?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. What values of ml are possible for l = 2?

Solved • Nov 12, 2018

Introduction to Quantum Mechanics

#### Q. Why is the electron in a Bohr hydrogen atom bound less tightly when it has a quantum number of 3 than when it has a quantum number of 1?

Solved • Oct 22, 2018

Introduction to Quantum Mechanics

#### Q. Give the sublevel designation, the allowable  mℓ values, and the number of orbitals for n = 2, ℓ = 0.

Solved • Oct 18, 2018

Introduction to Quantum Mechanics

#### Q. Give all possible m ℓ values for orbitals that have the following: n = 6, ℓ = 1.

Solved • Oct 18, 2018

Introduction to Quantum Mechanics

#### Q. Which of the following statements is(are) true?a. The 2s orbital in the hydrogen atom is larger than the 3 s orbital also in the hydrogen atom.b. T...

Solved • Oct 16, 2018

Introduction to Quantum Mechanics

#### Q. Which of the following orbital designations are incorrect: 1 s, 1p, 7d, 9s, 3f, 4f, 2d?

Solved • Oct 16, 2018

Introduction to Quantum Mechanics

#### Q. How many orbitals in an atom can have the designation 5 p, 3dz 2, 4d, n = 5, n = 4?

Solved • Oct 15, 2018

Introduction to Quantum Mechanics

#### Q. Identify the following orbital and determine the n and ℓ quantum numbers. Explain your answer.

Solved • Oct 15, 2018

Introduction to Quantum Mechanics

#### Q. If an electron has a principal quantum number (n) of 3 and an angular momentum quantum number (I) of 2, the subshell designation is ____ .a. 3p b. ...

Solved • Apr 2, 2018

Introduction to Quantum Mechanics

#### Q. Which set of three quantum numbers does not specify an orbital in the hydrogen atom?a. n = 3; l = 3; m l = −2b. n = 2; l = 1; m l = 1c. n = 3; l = ...

Solved • Mar 30, 2018

Introduction to Quantum Mechanics

#### Q. Give the numerical value of n corresponding to 3p.

Solved • Mar 26, 2018

Introduction to Quantum Mechanics

#### Q. Which set of three quantum numbers does not specify an orbital in the hydrogen atom? Provide step by step explanation.a. n = 2; l = 1; m l = -1b. n...

Solved • Mar 26, 2018

Introduction to Quantum Mechanics

#### Q. If two electrons in the same atom have the same value of "l", they are a. in the same orbital. b. in the same sublevel, but not necessarily in the ...

Solved • Mar 23, 2018

Introduction to Quantum Mechanics

#### Q. Which subshell (for example, 1s) is designated by each set of quantum numbers below? n = 2, l = 0 n = 4,  l= 0 n = 5, l = 4 n = 3, l = 2

Solved • Mar 23, 2018

Introduction to Quantum Mechanics

#### Q. Which subshell (for example, 1s) is designated by each set of quantum numbers below?a. n=2, l=1b. n=4, l=3c. n=5, l=1d. n=3, l=2

Solved • Mar 23, 2018

Introduction to Quantum Mechanics

#### Q. If ℓ= 2, what can you deduce about n?n = 2?n &gt; 2?n ≥ 2?n &lt; 2?n ≤ 2?

Solved • Mar 22, 2018

Introduction to Quantum Mechanics

#### Q. If mℓ = 3, what can you say about ℓ?a. ℓ = 3?b. ℓ &gt; 3?c. ℓ ≥ 3?d. ℓ &lt;3?e. ℓ≤ 3?

Solved • Mar 22, 2018

Introduction to Quantum Mechanics

#### Q. Which set of quantum numbers cannot occur together to specify an orbital?a. n=3,l=-3,ml=0b. n=2,l=1,ml=-1c. n=3,l=1,ml=-1d. n=4,l=3,ml=3

Solved • Mar 21, 2018

Introduction to Quantum Mechanics

#### Q. What are the possible values of the angular momentum quantum number (l) when n = 4?

Solved • Mar 21, 2018

Introduction to Quantum Mechanics

#### Q. How many orbitals in an atom can have each of the following designations?a. 3sb. 3dc. 7pd. n = 3

Solved • Mar 19, 2018

Introduction to Quantum Mechanics

#### Q. What does the magnetic quantum number determine?a. the energy of an orbitalb. the overall size of an atomc. the shape of the orbital .d. the energy...

Solved • Mar 19, 2018

Introduction to Quantum Mechanics

#### Q. What are the possible values of the magnetic quantum number m  l?a. represented by the formula: m = 2k +1, where k is a positive integerb. all the ...

Solved • Mar 19, 2018

Introduction to Quantum Mechanics

#### Q. How many sublevels are in the n = 3 level?How many orbitals are in the n = 3 level?What is the maximum number of electrons in the n = 3 level?

Solved • Mar 16, 2018

Introduction to Quantum Mechanics

#### Q. a. For n=4, what are the possible values of l?b. For l=2, what are the possible values of m l?c. If ml is 2, what are the possible values for l?

Solved • Mar 16, 2018

Introduction to Quantum Mechanics

#### Q. Which of the following quantum numbers describes the shape of an orbital?a. principal quantum numberb. Schrodinger quantum numberc. spin quantum nu...

Solved • Mar 15, 2018

Introduction to Quantum Mechanics

#### Q. When l = 1 what can you deduce about n and if m l = 4 what can you say about quantum number l?

Solved • Mar 14, 2018

Introduction to Quantum Mechanics

#### Q. If ml = 4, what can you say about l?a. l = 4b. l &gt; 4c. l ≥ 4 d. l &lt; 4e. l ≤ 4

Solved • Mar 7, 2018

Introduction to Quantum Mechanics

#### Q. If l = 2, what can you deduce about n?a. n = 2b. n &gt; 2c. n ≥ 2d. n &lt; 2e. n ≤ 2

Solved • Mar 2, 2018

Introduction to Quantum Mechanics

#### Q. Which of the following combinations of n and l represent real orbitals and which are impossible? Drag the appropriate items to their respective bin...

Solved • Feb 21, 2018

Introduction to Quantum Mechanics

#### Q. What does the angular momentum quantum number determine? Check all that apply. a) the overall size of an orbitalb) the energy of the electron on th...

Solved • Feb 20, 2018

Introduction to Quantum Mechanics

#### Q. What are the possible values of l for each of the following values of n? n=1,2,3,4.

Solved • Feb 19, 2018

Introduction to Quantum Mechanics

#### Q. List all possible values of the angular momentum quantum number l for an electron in the M(n=3) shell of an atom.

Solved • Feb 16, 2018

Introduction to Quantum Mechanics

#### Q. What does the magnetic quantum number determine? Check all that apply.a) the shape of the orbitalb) the overall size of an orbitalc) the energy of ...

Solved • Feb 16, 2018

Introduction to Quantum Mechanics

#### Q. What quantum numbers specify these subshells: 1s 4p 5d... n=? l=?

Solved • Dec 20, 2017

Introduction to Quantum Mechanics

#### Q. What are the possible values of mℓ for an electron in a d orbital? Express your answer numerically with sequential values separated by commas.

Solved • Dec 18, 2017

Introduction to Quantum Mechanics

#### Q. What is the only possible value of mℓ for an electron in an s orbital?

Solved • Dec 18, 2017

Introduction to Quantum Mechanics

#### Q. What are the possible values of n and m l for an electron in a 5d orbital?a) n = 1,2,3,4, or 5 and m l = 1b) n = 1,2,3,4 or 5 and m l = -2, -1, 0, ...

Solved • Aug 24, 2017

Introduction to Quantum Mechanics

#### Q. Which match is incorrect?a) de Broglie       Predicted that matter had a wave natureb) Planck            Proposed that energy is released/absorbed ...

Solved • Aug 24, 2017

Introduction to Quantum Mechanics

#### Q. For an electron that has quantum numbers n = 3 and m l = 2, which of the following is true?A. it must have the quantum number m s = + 2B. it must h...

Solved • Aug 17, 2017

Introduction to Quantum Mechanics

#### Q. Which is not a possible ml value for a subshell that has the following:  l = 2 a. +3 b. –1 c. +2 d. 0 e. -2 f. All these are possible

Solved • Jul 27, 2017

Introduction to Quantum Mechanics

#### Q. Give the number of possible orbitals in an H atom with the values: n = 3  l, l = 1 a. 1 b. 2 c. 3 d. 4 e. an infinite number

Solved • Jul 27, 2017

Introduction to Quantum Mechanics

#### Q. Of the following listed orbital choices - 1p, 2d, 3d, &amp; 4f , only ___________ can exist.a. 1pb. 3dc. 2d and 3dd. 3d, and 4fe. 4f

Solved • Jun 16, 2017

Introduction to Quantum Mechanics

#### Q. The quantum number ______ defines the ________________ of an orbital. Choose which is correct.a. n defines the size of the orbitalb. ms defines the...

Solved • Jun 16, 2017

Introduction to Quantum Mechanics

#### Q. What label is given to a subshell or orbital with the quantum numbers n = 5 and l = 3?a. 5sb. 5pc. 5dd. 5fe. 5g

Solved • Jun 16, 2017

Introduction to Quantum Mechanics

#### Q. Which set of quantum numbers (principal, angular and magnetic) are not valid?Set (1) 4, 2, -3Set (2) 3, 2, -2Set (3) 2, 2, +1a. Sets (1) and (2)b. ...

Solved • Jun 16, 2017

Introduction to Quantum Mechanics

#### Q. Which statement about quantum numbers is incorrect? Answer (e) if they are all correct or all incorrect.a. The principal quantum number cannot equa...

Solved • Jun 16, 2017

Introduction to Quantum Mechanics

#### Q. Which of the following sets of quantum numbers is possible?A. n = 3, l = 3, ml = 0B. n = 3, l = 2, ml = -3C. n = -3, l = -2, ml = -2D. n = 3, l = 1...

Solved • May 29, 2017

Introduction to Quantum Mechanics

#### Q. Atomic orbitals developed using quantum mechanicsA) describe regions of space in which one is most likely to find an electron.B) describe exact pat...

Solved • May 15, 2017

Introduction to Quantum Mechanics

#### Q. What are the possible values of L for each value of n? A)1 B)2 C)3 D)4

Solved • Jan 25, 2017

Introduction to Quantum Mechanics

#### Q. Which electron is, on average, farther to the nucleus: an electron in a 3p orbital or an electron in a 4p orbital?

Solved • Jan 25, 2017

Introduction to Quantum Mechanics

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

Solved • Jan 25, 2017

Introduction to Quantum Mechanics

#### Q. What is the lowest numbered principal energy level in which d orbitals are found? A. 1             B. 2                 C. 3                 D....

Solved • Oct 26, 2016

Introduction to Quantum Mechanics

#### Q. How many sublevels are contained in the second shell (n=2) of a given atom?A) 1B) 4C) 9D) 3E) 2

Solved • Sep 14, 2016