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Quantum model: Orbitals

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Wize University Chemistry Textbook > Quantum Numbers and Electron Configurations

Shapes of Atomic Orbitals

4 Activities

Wize University Chemistry Textbook > Quantum Numbers and Electron Configurations

Radial and Angulor Nodes

8 Activities

Wize University Chemistry Textbook > Quantum Numbers and Electron Configurations

The Quantum Model & Orbitals

6 Activities

Which of the following probability plots corresponds to a 5s orbital?

a) b)
c) d)
More Shapes of Atomic Orbitals Questions:
Identifying Orbitals
Identify the orbital shown below,
Bonus: Indicate the signs of the wavefunction phases
Identifying Orbitals
Identify the orbital shown below,
Quantum Model: Shapes of Atomic Orbitals
The sketches below show possible orbitals for the electron in a hydrogen atom. Which orbital would have the lowest energy?
Drawing Orbitals
What orbital does this picture correspond to?
Atomic orbitals: Shape
Which orbital is correctly modeled by the following diagram?
Atomic Orbitals and Electronic Transition
An electron in H atom undergoes an electronic transition from I to II. What is the wavelength of absorbed/emitted photon?
Drawing Orbitals
Which orbital does this picture correspond to?
Atomic Orbitals
Draw the cross-sections of the following atomic orbitals.
Quantum Model: Atomic Orbitals
Draw the cross-sections for the following atomic orbitals.
a) ssorbital
b) pzp_zorbital
Atomic Orbitals
11. Draw the cross-sections of the following atomic orbitals.
Atomic Orbitals
Sketch the cross-section of a dxz orbital. Make sure to label all axes and indicate the phase of the wave function by shading the orbitals or labeling with "+" and "-" signs.
Which of the orbitals below is NOT*** a d orbital?
Quantum Model: Shapes of Atomic Orbitals
The sketches below show possible orbitals for the electron in a hydrogen atom. Which orbital would have the lowest energy?
Which orbital is correctly modeled by the following diagram? Bonus what orientation is this orbital in? Check solutions for answer
Identify the following orbital.
Identifying Orbitals
Identify the orbital shown below,
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: Orbitals
How many orbitals are there in the shell where n=3?
How many 4d orbitals are there?
More Radial and Angulor Nodes Questions:
Orbitals: Nodes
Identify the following orbitals
Drawing Orbitals
Consider the following two RDF plots. Which orbitals do they correspond to?
Draw the RDF plots for 4s, 4p, 4d, and 4f on a single graph
Draw the radial factor, radial electron density and and radial distribution plots for
a. 4p orbital
b. 4d orbital
Node
Which of the following correctly describes the angular node of the py orbital?
Radila and angular nodes
Which of the following orbitals of hydrogen has two angular nodes and one radial node?
Radial and Angular Nodes
How many radial, angular and total nodes are there for 6f orbital?
Orbitals
Which type of atomic orbital contains 3 planar nodes and 1 spherical node?
Orbitals: Nodes
Identify the following orbitals
Orbitals: Nodes
Identify the following orbitals
Quantum Model: Orbitals
Identify the following orbitals by name
A) 2 radial nodes, 2 angular node
5d
B) 0 radial nodes, 3 angular nodes
4f
Quantum Model: Radial factors, Radial Electron Densities and Radial Distribution Plots
Which orbitals can these graphs possibly denote?
a.
b.
How many nodes are in the 4s orbital?
Which type of atomic orbital contains 3 angular nodes and 1 radial node?
Draw a radial probability distribution for a 3s orbital.
How many nodes are there in a p orbital?
Identifying Orbitals from Probability Plots
An orbital has only one angular node which lies along the yz plane. The radial probability plot is shown below, please identify the orbital.
Orbitals
An electron orbital containing 1 planar node and 2 spherical nodes would correspond to
which orbital?
Quantum Model: Radial and Angular Nodes
How many angular nodes are there in a 3dxy orbital?
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
How many electrons can have the following quantum numbers:
a. n = 4
b. n = 4, ms = + 1/2
Quantum Numbers
If an electron of H atom is present in the 5f orbital, what are the possible quantum numbers?
Quantum numbers
Which of the following combinations does not denote an orbital?
a. n = 2, l = 1, ml = −1
b. n = 3, l = 3, ml = 2
Quantum numbers
How many electrons can have the following quantum numbers:
a. n = 4
b. n = 4, ms = + 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, ms = +1/2
b. l = 2, ms = ± 1/2
Quantum Numbers
Which of the following combinations is correct?
a. n = 3, l = 2, ml = −3
b. n = 3, l = 1, ml = −2
Quantum Model: Quantum Numbers
Determine which of the following sets of quantum numbers (n, l, ml, msn,\ 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. 2p
b. 3s
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, ml)\left(n,\ l,\ m_l\right) below?
a) (3, 2, −1)\left(3,\ 2,\ -1\right)
b) (3, 1, 0)\left(3,\ 1,\ 0\right)
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, ml)\left(n,\ l,\ m_l\right) below?
a) (2, 1, −1)\left(2,\ 1,\ -1\right)
b) (4, 0, 0)\left(4,\ 0,\ 0\right)
Quantum Model: Quantum Numbers
Determine which of the following sets of quantum numbers (n, l, ml, msn,\ 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,mℓ)(n, \ell, m_{\ell}) 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, ml = -3?
Are orbitals with n = 3, l = 1 degenerate?
Which atomic orbital is described by the quantum numbers n = 4, l = 2, ml =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: 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, ml, ms) are possible for an electron if n = 3 and ml = 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}?
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,mℓ)(n, \ell, m_{\ell}) 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?