Download Quantum Numbers Quiz

Quantum Numbers Quiz
1. How many quantum numbers are used to describe the electrons in any atom?
2. Which statement about quantum numbers is NOT correct?
a) Quantum numbers describe the location of each electron in an atom.
b) Quantum numbers describe the energy of each electron in an atom.
c) Two or more electrons in an atom can have the same set of quantum numbers.
d) Quantum numbers describe the orbitals of an atom.
3. Match the quantum numbers with the symbol used for each.
a) l
b) ml
c) n
d) ms
1. _____ angular momentum quantum number
2. _____ spin quantum number
3. _____ magnetic quantum number
4. _____ principal quantum number
4. Match the name of each quantum number with its description.
a) principal quantum number
c) magnetic quantum number
b) angular momentum quantum number
d) spin quantum number
1. _____ describes the orientation of the orbitals in space
2. _____ describes the spin of an electron
3. _____ describes the shape of the orbital occupied by the electron
4. _____ describes the main energy level of the electron
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5. Which statement about the principal quantum number is NOT true?
a) All electrons in an atom of a given element have the same principal quantum number.
b) Electrons with a principal quantum number of n = 1 are located closest to the nucleus.
c) Each row of the Periodic Table corresponds to a different principal quantum number.
d) The value of the principal quantum number is an integer.
6. What values of the angular momentum quantum number are allowed for a given atom?
a) from 0 to 4
b) from 0 to n
c) from 0 to (n−1)
d) from 1 to (n+1)
7. For an electron located at the principal energy level n = 4, which value of l is NOT
possible?
a) 0
b) 2
c) 3
d) 4
8. When l = 2, what are the possible values of ml?
a) −1, 0, +1
b) −2, −1, 0, +1, +2
c) −2, 0, +2
d) 0, +1, +2
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9. What are the possible values of ms?
a) 0 or +1
b) −1 or +1
c) −½ or +½
d) −½, 0, or +½
10. Which correctly describes the placement of electrons in an orbital?
a) One electron may occupy any orbital.
b) Two electrons may occupy an orbital, and they must have opposite spins.
c) Two electrons may occupy an orbital, and they must have the same spins.
d) The number of electrons that can occupy an orbital depends on the type of orbital.
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