Podcast
Questions and Answers
Which of the following sets of quantum numbers (n, l, ml) is NOT possible for an electron?
Which of the following sets of quantum numbers (n, l, ml) is NOT possible for an electron?
- 3, 2, -2
- 6, 1, 0
- 3, 2, -1
- 3, 2, 1
- 3, 2, 3 (correct)
Which electronic configuration represents an alkaline earth element?
Which electronic configuration represents an alkaline earth element?
- [Rn] 7s² (correct)
- [Xe] 6s² 4f⁷
- [Ar] 4s¹ 3d⁵
- [Ar] 4s² 3d⁴
- [Xe] 5s² 5p¹
Based on the diagram, what is safe to assume about the emitted photons from levels A, B, and C?
Based on the diagram, what is safe to assume about the emitted photons from levels A, B, and C?
- Photon C would appear on the bluish side of the emission spectrum.
- The photon emitted by 'A' would have a longer wavelength than the photon emitted by 'C'.
- Photon A has the highest energy level drop and would most likely appear red. (correct)
- The photon emitted by 'B' would be at a higher energy level than 'C'.
- Photon C has the highest energy level drop and would most likely appear violet.
What is the first energy level (principal quantum number, n) in which f orbitals begin to appear?
What is the first energy level (principal quantum number, n) in which f orbitals begin to appear?
What determines the letter designation (e.g., s, p, d, f) for a subshell?
What determines the letter designation (e.g., s, p, d, f) for a subshell?
Which orbital corresponds to a quantum number of l = 2?
Which orbital corresponds to a quantum number of l = 2?
Based on its electronic configuration and stability, Molybdenum (Mo) is expected to have a higher than expected what, relative to neighboring elements in the periodic table?
Based on its electronic configuration and stability, Molybdenum (Mo) is expected to have a higher than expected what, relative to neighboring elements in the periodic table?
Vanadium (V) exhibits +2 and +5 oxidation states. Briefly explain how this is possible with respect to its electron configuration and the s and d orbitals.
Vanadium (V) exhibits +2 and +5 oxidation states. Briefly explain how this is possible with respect to its electron configuration and the s and d orbitals.
The set of quantum numbers for the second-to-last electron placed in Niobium (Nb) is n = ______, l = ______, ml = ______, and s = ______. (Just provide the four numbers separated by commas.)
The set of quantum numbers for the second-to-last electron placed in Niobium (Nb) is n = ______, l = ______, ml = ______, and s = ______. (Just provide the four numbers separated by commas.)
It is impossible for chlorine to form compounds exhibiting a positive oxidation state.
It is impossible for chlorine to form compounds exhibiting a positive oxidation state.
Flashcards
Impossible Quantum Numbers
Impossible Quantum Numbers
Quantum numbers that an electron cannot have: n = 3, l = 3, m = 0
Alkaline Earth Element Configuration
Alkaline Earth Element Configuration
The electron configuration [Xe] 6s² 4f⁷ represents an alkaline earth element.
First f Orbital Energy Level
First f Orbital Energy Level
The first energy level to have f orbitals is the 4th energy level (n=4).
Subshell Letter and Quantum Number
Subshell Letter and Quantum Number
Signup and view all the flashcards
l = 2 Orbital Type
l = 2 Orbital Type
Signup and view all the flashcards
Study Notes
Multiple Choice Key Points
- Electron quantum numbers cannot be n = 1, l = 0, ml = 0
- An alkaline earth element configuration is [Rn] 7s²
- Key assumptions based on the orbital diagram and photoelectric effect:
- Photon emitted by "A" has a longer wavelength than the photon emitted by "C"
- Photon C appears on the bluish side of the emission spectrum
- The first energy level to fill f orbitals is 4
- The letter for the subshell is based on the value of the secondary quantum number
- The orbital with a quantum number of l = 2 is orbital "C"
- Molybdenum (Mo) is expected to have a higher than expected ionization energy than neighboring elements due to its unusual achieved stability
Thinking Questions
- Vanadium (V) has +2 and +5 valences
- Multivalent metals and electron configuration explain this
- Diagrams of just the s and d shells needed
Communication Questions
- Need to give the set of quantum numbers for the second last electron placed in Nb
- Need to provide the full and condensed electron configurations for elements Fe and Rb
- Need to draw energy level diagrams for the two arrangements of nickel (Ni)
- Following the aufbau principle
- Not obeying the aufbau principle
Application Question
- From grade 10 science, knowledge is needed on the valence of chlorine
- Need to determine if it is possible for chlorine to have a second valence
- Need to know which valence of chlorine is more likely observed in naturally-found ionic chlorine compounds
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
