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Quantum Numbers
Related Topics
Wize University Chemistry Textbook > Quantum Numbers and Electron Configurations
Orbital Filling Diagrams
6 Activities
Wize University Chemistry Textbook > Quantum Numbers and Electron Configurations
The Quantum Model & Orbitals
6 Activities
How many electrons can have the following quantum numbers:
a.
n
= 4
b.
n
= 4,
m
s
= + 1/2
a. 32, b. 32.
a. 32, b. 16.
a. 16, b. 16.
a. 18, b. 9.
I don't know
Check Submission
More Orbital Filling Diagrams Questions:
Practice: Quantum Numbers and Electronic Configuration
1. Which groups of atoms are diamagnetic in their ground electronic states?
2. What would be the electronic configuration of Na if each orbital could hold 3 instead of 2 electrons? Draw the electronic configuration assuming all other rules are valid.
3. What is the maximum number of electrons in an atom that has:
n
=3,
m
l
= ±1,
m
s
= + 1/2?
Filling Atomic Orbitals
Fill the atomic orbital diagram for scandium below to answer the following questions.
Filling Atomic Orbitals
Fill the atomic orbital diagram for vanadium below to answer the following questions.
Quantum model: Orbital filling
Draw an atomic orbital diagram for sulfur.
Atom: Electronic configuration
Which of the following orbital diagrams shows a valid ground state electron configuration for an uncharged atom?
Quantum model: Electron configuration
a) What is the full ground state electron configuration (
spdf
notation) of Al?
b) Draw the energy level diagram for Al.
c) Modify the energy diagram above to show the excited state that required the smallest amount of energy to move the highest energy valence electron to another orbital.
Quantum model: Ground and Excited States
In the energy diagram:
a) Identify all subshells by circling them.
b) Place the name of each subshell next to your circle.
Quantum model: Energy Level Diagram
Consider an atom of the alkali metal Potassium.
a) In the energy diagram given, fill in the required number of electrons for a potassium atom and name the occupied orbitals.
b) The valence electron of potassium can be excited to the next highest energy state in the same valence shell. Below, show how the energy level diagram for the excited atom of potassium has changed. Make sure to name all occupied orbitals.
Orbitals: Lowest energy configuration
Select the orbital diagram of P
+
in its lowest energy configuration (ground state).
VSEPR: σ and π Frameworks with Consecutive Double Bonds
Answer the following questions about the species H
2
CN
2
, whose Lewis structure is shown below:
Quantum Model: Orbital filling
Which of the following is a correct energy diagram for all the electrons present in a ground state neutral nitrogen atom?
Quantum model: Filling orbitals
Which element has the orbital-filling diagram shown below?
Atom: Electronic configuration
Given the ground-state electronic configuration
[Ar] 4
s
2
3d
3
1. What is the neutral atom with this electronic configuration?
More The Quantum Model & Orbitals Questions:
Quantum model: Orbitals
Select the true statement.
Atomic Orbitals
How many different atomic orbitals exist where n = 3?
Quantum Numbers
If an electron of H atom is present in the 5
f
orbital, what are the possible quantum numbers?
Quantum numbers
Which of the following combinations does not denote an orbital?
a.
n
= 2,
l
= 1,
m
l
= −1
b.
n
= 3,
l
= 3,
m
l
= 2
Quantum numbers
How many electrons can have the following quantum numbers:
a.
n
= 4
b.
n
= 4,
m
s
= + 1/2
Orbitals
What orbitals do these following sets of quantum numbers denote?
a.
n
= 4,
l
= 3
b.
n
= 3,
l
= 0
Electronic Configuration
How many electrons in Cr
+
satisfy the following condition:
a.
l
= 1,
m
s
= +1/2
b.
l
= 2,
m
s
= ± 1/2
Quantum Numbers
Which of the following combinations is correct?
a.
n
= 3,
l
= 2,
m
l
= −3
b.
n
= 3,
l
= 1,
m
l
= −2
Quantum Model: Quantum Numbers
Determine which of the following sets of quantum numbers (
n
,
l
,
m
l
,
m
s
n,\ l,\ m_l,\ m_s
n
,
l
,
m
l
,
m
s
) is valid for a 3d orbital.
Quantum model: Orbitals
Give quantum numbers which describe the following. Note there may be more than one correct answer
A 32g orbital
Practice: Quantum Numbers
If an electron of H atom is present in the following orbitals, what are the possible quantum numbers in each case?
a. 2
p
b. 3
s
Quantum Numbers
Which of the following is an allowed set of quantum numbers for a 4p orbital?
Quantum Numbers
Which atomic orbital is described by each set of quantum numbers
(
n
,
l
,
m
l
)
\left(n,\ l,\ m_l\right)
(
n
,
l
,
m
l
)
below?
a)
(
3
,
2
,
−
1
)
\left(3,\ 2,\ -1\right)
(
3
,
2
,
−
1
)
b)
(
3
,
1
,
0
)
\left(3,\ 1,\ 0\right)
(
3
,
1
,
0
)
CHEM 1011 (Dalhousie) - Quantum Numbers
Answer the following questions on quantum numbers.
a)
Give a possible value for each quantum number for a 4d orbital.
b)
(4, 1, 0, -
1
/
2
) is valid for a 4p orbital.
Quantum Numbers
10.
Select all sets of quantum numbers that are valid.
Quantum Numbers
9.
Which of the following is an allowed set of quantum numbers for a 3s orbital?
Quantum Numbers
8.
Which atomic orbital is described by each set of quantum numbers
(
n
,
l
,
m
l
)
\left(n,\ l,\ m_l\right)
(
n
,
l
,
m
l
)
below?
a)
(
2
,
1
,
−
1
)
\left(2,\ 1,\ -1\right)
(
2
,
1
,
−
1
)
b)
(
4
,
0
,
0
)
\left(4,\ 0,\ 0\right)
(
4
,
0
,
0
)
Quantum Model: Quantum Numbers
Determine which of the following sets of quantum numbers (
n
,
l
,
m
l
,
m
s
n,\ l,\ m_l,\ m_s
n
,
l
,
m
l
,
m
s
) is valid for a 3d orbital.
Quantum. model: Electronic Configuration
A gold (Au) atom has how many electrons with the quantum numbers n=4, ml=-3?
Quantum Model: Electronic Configuration
Krypton (Kr) atom has how many electrons with the quantum numbers n=3, l=2?
Quantum model: Orbitals
Give quantum numbers which describe the following. Note there may be more than one correct answer
an electron in a 2s orbital
Quantum Model: Orbitals
Which of the following orbital designations is not allowed:
Quantum model: Orbitals
Which of the following combinations of quantum numbers
(
n
,
ℓ
,
m
ℓ
)
(n, \ell, m_{\ell})
(
n
,
ℓ
,
m
ℓ
)
are allowed?
(4, 3, 3, 0)
(2, 1, 0, +1/2)
Quantum model: Orbitals
Give quantum numbers which describe the following. Note there may be more than one correct answer
A 6f orbital:
Quantum model: Orbitals
Which of the following gives a correct “set” of name, quantum numbers and boundary surface diagrams for a highest energy atomic orbital of a nitrogen atom.
A gold (Au) atom has how many electrons with the quantum numbers n = 4, m
l
= -3?
Are orbitals with n = 3,
l
= 1 degenerate?
Which atomic orbital is described by the quantum numbers n = 4,
l
= 2, m
l
=1?
Quantum Model: Orbitals
Are all atomic orbitals (s, p, d, f) with n = 3 degenerate?
Quantum Model: Orbitals
Which set of quantum numbers n, l, can be valid for the orbital D in the figure above?
Quantum model: Quantum Numbers
Determine the quantum numbers for the final electron of Pd.
"The Periodic Table", image retrieved from Chemistry 2e (https://d3bxy9euw4e147.cloudfront.net/oscms-prodcms/media/documents/Chemistry2e-OP_QCzV58S.pdf) by Flowers, P et al., is licensed under CC BY.
Quantum Model: Orbitals
Which atomic orbital is described by the quantum numbers n=4, l=2, ml=1?
The quantum numbers for the first electron removed from an As atom could be?
The Hydrogen Atom and Visualization of the Atomic Orbitals Questions
1) Which of the following combinations of quantum numbers (n, l, ml) is allowed
a) (12, 2, -2)
b) (3, 4, 3)
Quantum model: Orbitals
Which of the following probability plots corresponds to a 5s orbital?
a) b)
c) d)
Quantum Model: Quantum number
Which of the following is a correct quantum number combination for an electron in the highest energy subshell of Selenium?
Atomic Orbitals
How many different atomic orbitals exist where n = 3?
How many combinations of quantum numbers (n, l, m
l
, m
s
) are possible for an electron if n = 3 and m
l
= 1?
Quantum Model: Quantum Number
Which of the following is a valid quantum number combination for an electron in the
valence shell of
Si
\text{Si}
Si
?
Quantum model: Orbitals
Select the true statement.
Quantum Model: Orbital energy
The sketches below show possible orbitals for the electron in a hydrogen atom. Which orbital would have the
lowest
energy?
Quantum Model: Quantum Numbers
Which of the following statements is true?
Which of the following quantum number combinations are not valid? (Select all that apply)
What are the four quantum numbers associated with the final valence electron of Co?
"The Periodic Table", image retrieved from Chemistry 2e (https://d3bxy9euw4e147.cloudfront.net/oscms-prodcms/media/documents/Chemistry2e-OP_QCzV58S.pdf) by Flowers, P
et al.
, is licensed under CC BY.
Quantum model: Orbitals
How many orbitals are there in the shell where n=3?
Which of the following combinations of quantum numbers
(
n
,
ℓ
,
m
ℓ
)
(n, \ell, m_{\ell})
(
n
,
ℓ
,
m
ℓ
)
are allowed? (Select all that apply)
Quantum Model: Quantum Numbers
Which of the following describes a correct set of quantum number for an orbital?
Quantum Model: Quantum Numbers
Which quantum number describes the magnetic spin of an electron?
Periodic Table: Quantum Numbers
l
= 2 refers to which block of the periodic table?