Quantum Numbers
Physics ⇒ Modern Physics
Quantum Numbers starts at 12 and continues till grade 12.
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Calculate the number of electrons that can be accommodated in all orbitals with n = 3.
Calculate the total number of orbitals in the third shell (n=3).
Describe the relationship between the principal quantum number (n) and the energy of an electron in a hydrogen atom.
Describe the significance of the principal quantum number (n) in atomic structure.
Explain why no two electrons in an atom can have the same set of quantum numbers.
Explain why the 2d orbital does not exist.
For a 3d electron, what are the possible values of the azimuthal quantum number (l)?
For an electron in a 4f orbital, what are the possible values of ml?
The spin quantum number (ms) can have which of the following values?
(1) 0
(2) +1/2
(3) -1/2
(4) Both (2) and (3)
Which of the following is a correct set of quantum numbers for an electron in a 3p orbital?
(1) n=3, l=1, ml=0, ms=+1/2
(2) n=3, l=2, ml=1, ms=-1/2
(3) n=3, l=0, ml=0, ms=+1/2
(4) n=2, l=1, ml=1, ms=-1/2
Which of the following is not a valid set of quantum numbers for an electron?
(1) n=2, l=0, ml=0, ms=+1/2
(2) n=2, l=1, ml=1, ms=-1/2
(3) n=2, l=2, ml=0, ms=+1/2
(4) n=3, l=2, ml=-2, ms=-1/2
Which of the following quantum numbers describes the shape of an atomic orbital?
(1) Principal quantum number (n)
(2) Azimuthal quantum number (l)
(3) Magnetic quantum number (ml)
(4) Spin quantum number (s)
Fill in the blank: The maximum number of electrons in a subshell is given by _______.
Fill in the blank: The quantum number l = 0 corresponds to the _______ orbital.
Fill in the blank: The quantum number that determines the energy level of an electron in a hydrogen atom is the _______ quantum number.
The magnetic quantum number (ml) can take values from _______ to _______ for a given value of l.
True or False: The principal quantum number (n) can have a value of zero.
True or False: The quantum numbers n, l, and ml are sufficient to describe a unique electron in an atom.
True or False: The quantum numbers n, l, and ml can all be zero for an electron.
True or False: The value of l can be equal to or greater than n.
