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Questions and Answers
What does the principal quantum number, n, indicate?
What does the principal quantum number, n, indicate?
- The energy of the electron
- The number of electrons in the atom
- The size of the orbital (correct)
- The magnetic property of the atom
Which quantum number specifies the main energy levels or shells in an atom?
Which quantum number specifies the main energy levels or shells in an atom?
- Magnetic Quantum Number (mℓ)
- Spin Quantum Number (ms)
- Principal Quantum Number (n) (correct)
- Azimuthal Quantum Number (ℓ)
What is the range of possible values for the azimuthal quantum number, ℓ?
What is the range of possible values for the azimuthal quantum number, ℓ?
- +1/2, -1/2
- 1, 2, 3, 4, ...
- 0, 1, 2, 3, ... , (n-1) (correct)
- -ℓ to +ℓ
Which quantum number specifies the characteristic energy of orbitals and their electrons?
Which quantum number specifies the characteristic energy of orbitals and their electrons?
What does the magnetic quantum number, mℓ, determine?
What does the magnetic quantum number, mℓ, determine?
What is the meaning of the spin quantum number, ms?
What is the meaning of the spin quantum number, ms?
What is the maximum number of electrons that can be accommodated in a 4d subshell?
What is the maximum number of electrons that can be accommodated in a 4d subshell?
How many orbitals are associated with the principal quantum number n = 3?
How many orbitals are associated with the principal quantum number n = 3?
What is the maximum number of electrons that can occupy an f subshell?
What is the maximum number of electrons that can occupy an f subshell?
Which quantum number indicates the shape of orbital sublevels?
Which quantum number indicates the shape of orbital sublevels?
What is the value of $ℓ$ for p orbitals?
What is the value of $ℓ$ for p orbitals?
Which quantum number splits the subshells into individual orbitals?
Which quantum number splits the subshells into individual orbitals?
What are the possible values for $m_{ℓ}$ when $ℓ=3$?
What are the possible values for $m_{ℓ}$ when $ℓ=3$?
The spin quantum number, $m_{s}$, can have values of:
The spin quantum number, $m_{s}$, can have values of:
What is the total number of orbitals for a shell with principal quantum number n=4?
What is the total number of orbitals for a shell with principal quantum number n=4?
Which term refers to the magnetic state of an atom with one or more unpaired electrons?
Which term refers to the magnetic state of an atom with one or more unpaired electrons?
Study Notes
Quantum Numbers
- The principal quantum number, n, indicates the main energy levels or shells in an atom.
- The range of possible values for the azimuthal quantum number, ℓ, is 0 to n-1.
- The azimuthal quantum number, ℓ, specifies the characteristic energy of orbitals and their electrons.
- The magnetic quantum number, mℓ, determines the orientation of orbitals in space.
- The spin quantum number, ms, determines the intrinsic spin of an electron, with possible values of +1/2 or -1/2.
- The maximum number of electrons that can be accommodated in a 4d subshell is 10.
Orbital Characteristics
- A shell with principal quantum number n has a total of n^2 orbitals.
- The maximum number of electrons that can occupy an f subshell is 14.
- The azimuthal quantum number, ℓ, indicates the shape of orbital sublevels.
- ℓ has a value of 1 for p orbitals and 3 for f orbitals.
- The magnetic quantum number, mℓ, splits the subshells into individual orbitals.
- Possible values for mℓ when ℓ=3 are -3, -2, -1, 0, 1, 2, and 3.
Electron Configuration
- The total number of orbitals for a shell with principal quantum number n=4 is 16.
- A shell with principal quantum number n can accommodate a maximum of 2n^2 electrons.
Magnetism
- The term that refers to the magnetic state of an atom with one or more unpaired electrons is paramagnetism.
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Description
Test your knowledge of the electronic structure of atoms with this quiz covering the essential learning competencies related to quantum numbers, magnetic properties, and orbital diagrams. Explore the theory of quantum mechanics and its application in describing electrons in atoms.
