Practice: Provide all the possible values of l for a 2 sublevel.

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Diffraction vs Refraction |

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The** Angular Momentum Quantum Number **gives the shape of the atomic orbitals.

Example #2: What are the possible values for *n* and* l* for an electron found in the 3^{rd} principal level and d sublevel?

Practice: Provide all the possible values of l for a 2 sublevel.

Practice: How many sublevels are contained in the third shell (n = 3) for a given atom?

Example #3: Based on the following atomic orbital shape, which of the following set of quantum numbers is correct.

Practice: Which of the following orbitals possesses the most orbital shapes?

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Concept #1: Quantum Numbers: Angular Momentum Quantum Number

Example #1: Quantum Numbers: Angular Momentum Quantum Number...

Concept #2: Quantum Numbers: Angular Momentum Quantum Number

Example #2: Quantum Numbers: Angular Momentum Quantum Number...

Practice #1: Quantum Numbers: Angular Momentum Quantum Numbe...

Practice #2: Quantum Numbers: Angular Momentum Quantum Numbe...

Concept #3: Quantum Numbers: Angular Momentum Quantum Number

Example #3: Quantum Numbers: Angular Momentum Quantum Number...

Practice #3: Quantum Numbers: Angular Momentum Quantum Numbe...

The number of orbitals having a given value of n and l is equal to
A. 2l +1
B. n – 1
C. 2
D. n + l
E. two times the number of lobes in each orbital

Which of the following illustrates an orbital with quantum numbers n = 5, l = 1?

How many orbitals are allowed in a subshell if the azimuthal quantum number is 3?
(a) 1
(b) 3
(c) 5
(d) 7
(e) 9

Which of the following statements is TRUE?
a. Atoms are roughly spherical because when all of the different shaped orbitals are overlapped, they take on a spherical shape.
b. We can know the exact location and exact speed of an electron at the same time.
c. Since electrons have mass, we must always consider them to have particle properties and never wavelike properties.
d. All orbitals in a given atom are roughly the same size.
e. All of the above are true.

What value of angular momentum (l) is represented by an f orbital?
a. 0
b. 1
c. 2
d. 3
e. 4

Which of the following quantum numbers is often designated by the letters s, p, d, f, and g instead of numbers?
a) n
b) l
c) m
d) s
e) all of these

When l = 3, what set of orbitals is designated?
a) g
b) p
c) f
d) d
e) s

What is the maximum number of orbitals having l = 1?
a) zero
b) one
c) three
d) five
e) nine

The orbitals of 2p electrons are often represented as being
(A) elliptical
(B) dumbbell shaped
(C) tetrahedral
(D) spherical

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

How many different values of l are possible in the fourth principal level?A. 0B. 1C. 2D. 3E. 4

If two electrons in the same atom have the same values of “n” and "l", they areA. In the same energy sublevel.B. In a different energy level.C. In the same orbital.D. In differently-shaped orbitals.E. In orbitals with the same orientation

The number of orbitals in an f subshell isa) 1b) 2c) 3 d) 5e) 7

The number of orbitals having a given value of (the letter) l is equal toa) 2l + 1b) 2n + 1c) 2ml + 1d) n + m le) 1 + m l

How many orbitals are allowed in a subshell if the angular momentum quantum number for electrons in that subshell is 3?a) 3b) 1c) 7d) 5e) 9

The number of orbitals in a 4d subshell is
a) one
b) four
c) five
d) eight
e) sixteen

What is the maximum number of possible orbitals when l = 4?a) zerob) onec) three d) fivee) nine

What is the value of the quantum number l for a 5p orbital?
a) 1
b) 2
c) 3
d) 4

(a) For n = 4, what are the possible values of l ?

Give the numerical values of n and l corresponding to each of the following orbital designations: (a) 3p

Which of the following represent impossible combinations of n and l: (a) 1p, (b) 4s, (c) 5f, (d) 2d?

A certain electron in an atom is in an orbital that has two lobes of electron density. Choose the orbital that matches this description.A. 3d B. 5s C. 4f D. 2p E. 6s

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

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

All the following are true EXCEPTa. the n = 3 shell has no f subshellb. there are three p orbitals in every shell of an atom except the n = 1 shellc. all s orbitals have spherical shapesd. each d subshell has five d orbitalse. the energies of subshell in the shells (energy levels) of a hydrogen atom vary as s < p < d, etc.

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

Which of the following combinations of n and l represent real orbitals and which are impossible? Drag the appropriate items to their respective bins.2s, 5d, 3f, 3s

If ℓ= 2, what can you deduce about n?n = 2?n > 2?n ≥ 2?n < 2?n ≤ 2?

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

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

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 same level. c. in different levels and in different shaped orbitals. d. in the same level, but different sublevel. e. None of the above

Use the relative size of the 3s orbital represented below to answer the question.Which orbital has the highest value of n?a. Ab. Bc. Cd. D

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. 3d c. 4s d. 4p e. 4d

Use the relative size of the 3s orbital represented below to answer the following question.Which orbital has the highest energy?a. Ab. Bc. Cd. D

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

What is the total number of orbitals having n = 4 and l = 2?2 5 16 4 6

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

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

Use the relative size of the 3s orbital represented below to answer the following question.In an atom, how many other orbitals will have both a value of n and a shape identical to Orbital C? (Use Orbital C as a reference and do not include it in your count.)a. 1b. 2c. 3d. 4

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 the outer shellc) the possible number of electrons on particular orbitald) the energy of an orbitale) the orientation of the orbitalf) the shape of the orbitalg) the overall size of an atom

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