# Quantum Numbers

### Topic Page

Quantum Numbers### Questions

- How do I know how to assign quantum numbers to electrons?
- How many electrons share all of the same quantum numbers?
- What are the quantum numbers for the first electron in #"H"#, #"He"#, #"Li"#, and #"Be"#?
- What quantum numbers specify a 6s orbital?
- What quantum numbers specify a 6d orbital?
- What quantum numbers specify a 6p orbital?
- What quantum numbers specify a 4p orbital?
- What quantum numbers specify a 5p orbital?
- What quantum numbers specify a 5d orbital?
- What quantum numbers specify a 3p orbital?
- What quantum numbers specify a 2s orbital?
- What quantum numbers specify a 2p orbital?
- Why do they say quantum numbers are like an address?
- What is an example of a quantum numbers practice problem?
- What are quantum numbers?
- What are some examples of quantum numbers?
- What are the 4 quantum numbers for carbon?
- What are the quantum numbers for the element Ni?
- What is the total angular momentum quantum number?
- What is the eigenvalue of the Hamiltonian?
- What is a quantum Hamiltonian?
- What is the angular quantum number?
- What does the azimuthal quantum number describe?
- What do quantum numbers describe?
- What do quantum numbers describe?
- What are quantum numbers used to describe?
- What is the difference between shell, subshell, and orbital?
- What are m and s for a #3p# electron?
- What values of #l#, #m_l#, and #m_s# are possible for #n = 3#?
- How many electrons in an iron(III) cation have #n + l + m_l = 4# ?
- What do these sets of quantum numbers describe?
- What is the maximum number of electrons that can be present in the shell specified by n = 3?
- Question #37699
- How many electrons have...?
- An oxygen atom has a total of 8 elections. How do you write the 4 quantum numbers for each of the 8 electrons in the ground state ?
- What are the possible values of n and ml for an electron in a 5d orbital ? A) n = 5 and ml = -2, -1, 0, +1, or +2 B) n = 1, 2, 3, 4, or 5 and ml = 2 C) n = 5 and ml = 2 D) n = 1, 2, 3, 4, or 5 and ml = -2, -1, 0, +1, or +2
- The number of orbitals in a given subshell, such as the 5d subshell, is determined by the number of possible values of ? A) l. B) n. C)ml. D) ms.
- Which of the following is not a valid set of quantum numbers? A) n = 3, l = 0, ml = 0, and ms = 1/2 B) n = 2, l = 1, ml = -1, and ms = -1/2 C) n = 3, l = 2, ml = 3, and ms = 1/2 D) n = 2, l = 1, ml = 0, and ms = -1/2
- How many electrons can have #n = 4# and #m_l = 2#?
- Which set of quantum numbers is allowed?
- Is it true that for a value of #n# (n-principal quantum number), the value of #m_l# (#m_l#-magnetic quantum number) is equal to #n^2#? If it is true, can you please explain this to me? Thanks.
- Question #65437
- How many electrons have #n = 3#, #m_l = 0#, and #m_s = +1/2#?
- Question #c7c7e
- What are the quantum numbers for chlorine, iron, and tin?
- Question #04b31
- How many quantum numbers are needed to define the probability of finding the electron in a given region of space in the hydrogen atom?
- How would you know how many electrons can occupy an orbital represented by n=2, l=1, and ml=-1?
- How would you find the quantum numbers for an atom?
- One of the outermost electrons in a strontium atom in the ground state can be described by what sets of four quantum numbers?
- How would you find out the number of electrons from just the 4 quantum numbers?
- What are the quantum numbers for the last electron in zinc?
- What are the quantum numbers of the five electrons of Boron?
- How many electrons can have the quantum number set n=5 and ml=1?
- How many electrons can have the quantum number set n=3 and ml=-2?
- What is a possible set of four quantum numbers (n,l ,ml ,ms ) for the highest-energy electron in Ga?
- The n and l quantum numbers of an electron of an element are n=5 and l=1. What type of element is it?
- What is the correct set of quantum numbers (n, l, ml, ms) for the highest energy electron in the ground state of tin, Sn?
- How would you write a full set of quantum numbers for the first, third, and fourteenth electron removed from the the ground state of a Cu atom?
- What are the quantum numbers for zinc?
- What are the possible quantum numbers for the 6d orbital?
- What are the quantum numbers of Mg?
- What is a combination of four quantum numbers that could be assigned to an electron occupying a 5p orbital?
- What is a combination of four quantum numbers that could be assigned to an electron occupying a 5p orbital?
- What are the quantum numbers of carbon?
- What are four quantum numbers for a K atom?
- What do the quantum numbers n, l, and m stand for?
- What is the ml quantum number for an electron in the 5d orbital?
- What are the four quantum numbers for sulfur?
- How would you determine the quantum number, ml, for an element?
- How many sets of quantum numbers are possible when n=3?
- How would you write a full set of quantum numbers for the outermost electron in an Rb atom?
- What are the four quantum numbers for bromine?
- What are the values of the quantum numbers associated with the following orbitals: 2p, 3s, and 5d?
- Does the angular momentum quantum number #l# designate the shape of the orbital?
- What are the quantum numbers necessary to specify a #5p# subshell?
- How many electrons are in #n = 2#? What about #n = 4, l = 3#? What about #n = 6, l = 2, m_l = -1#?
- What does #m_l# represent and why does it correspond to each of the orbitals for a given subshell?
- How many electrons have #n = 3#, #l = 2#?
- Label the orbital with the following quantum numbers?
- According to the quantum mechanical model of the atom what is the maximum number of electrons that can occupy each energy level?
- What is the maximum number of electrons that can occupy the 3rd electron shell?
- What is the maximum number of electrons allowed in #n = 2#?
- What could the fourth quantum number of a #2s^2# electron be?
- What is the second quantum number of a #1s^2# electron in phosphorus #1s^2 2s^2 2p^6 3s^2 3p^3#?
- What Is Z component of orbital angular momentum? How can we find the Z component? What is its importance? What does it resemble?
- How many electrons can have #n = 3#, #l = 2#, #m_l = 2#, #m_s = -1/2#?
- What tells us where we can find electrons? Why are these probability distributions the way they are? Can an electron ever stop spinning or moving?
- Question #f473f
- Question #32169
- What is the smallest possible value of the principal quantum number #n# for an #s# electron?
- Question #04d42
- How many electrons in magnesium share the quantum numbers #l=0# and #m_l = 1# ?
- Consider the following sets of quantum numbers. Circle all of the allowed sets of quantum numbers for an electron in a hydrogen atom. The electron may be either in a ground state or an excited state?
- Circle all of the allowed sets of quantum numbers for an electron in a hydrogen atom?
- What are the four quantum numbers?
- How do you find the four quantum numbers?
- How do you write the four quantum numbers of an element?
- What are the four quantum numbers and the properties to which they refer?
- What are the four quantum numbers for the last electron in #Fe^(3+)?
- What are the four quantum numbers in chemistry?
- What do the four quantum numbers describe about an electron?
- What do the four quantum numbers stand for?
- Why are there four quantum numbers?
- What is the set of four quantum numbers that represent the electron lost to form the #"K"^(+)# ion from the #"K"# atom?
- What is a possible set of four quantum numbers (n,l,ml,ms) in order, for the highest energy electron in gallium?
- Which of the following is not a valid set of four quantum numbers? How can you determine this?
- What are the quantum numbers for Bromine?
- Which set(s) of of quantum numbers describe a 4d orbital?
- What are the set of four quantum numbers that represent the electron gained to form the #Br# ion from #Br# atom?
- What is a set of four quantum numbers that could represent the last electron added (using the Aufbau principle) to the Cl atom?
- What are the values for the four quantum numbers of an electron in the 3d orbital?
- What is a quantum number set for Arsenic?
- Which set of the three quantum numbers (n, l, ml) corresponds to a 3d orbital?
- What should I consider when building electron configurations?
- What is a quantum number?
- For the atomic shell with quantum number n = 1, how many sub-shells are possible where each sub-shell has a different value of the angular momentum quantum?
- Question #f0e05
- Question #f635a
- Question #f4b81
- Which of the following orbitals described by 3 quantum numbers will have different energy in absence of magnetic & electric fields? A) n=3, l=1, m=0 B) n=3, l=2, m=0 C) n=3, l=2, m=2 D) n=3, l=2, m=1
- What electron could have quantum numbers #n=2, l=1, m_l = 0, m_s = +1/2#?
- What could the fourth quantum number of a #3p^3# electron be?
- How many electrons can be described by the following quantum numbers: #n=4#, #l = 3#, #m_(l) = -2#, #m_s = +1/2#?
- What type of orbital is used with electrons in an orbital with #l = 3#?
- How do I know which term symbols are acceptable for an #np^2# electron configuration? I found all of them, but which ones should I keep?
- What characteristic is given by the angular momentum quantum number?
- Question #a3028
- Question #db592
- Question #079e3
- How many electrons in an atom can have #n + l =6# ?
- Question #9b3cf
- Question #523fc
- Question #673da
- Question #47537
- Question #5afee
- Question #bb529
- Can #n = 2#, #l = 2# describe an orbital?
- What is the orbital notation for the electron in an orbital with the following quantum number: #n# = 3, #l# = 1?
- What is the orbital angular momentum quantum number for the orbital 5#p#?
- Question #fd400
- What are the possible values for #m_l# when the principal quantum number (n) is 3 and the angular momentum quantum number (#l#) is 2?
- What is the principal quantum number for the outermost electrons in a Ca atom in the ground state?
- What quantum numbers are needed to specify a hydrogenic atomic orbital?
- Question #fc82b
- What is a valid set of quantum numbers for the outermost electron of an aluminum atom?
- How many electrons have #n = 3#, #m_l = pm1#, and #m_s = +1/2#?
- Question #4460e
- How many electrons in an atom can have the n = 5, l = 2 designation?
- Which of the following are invalid sets of quantum numbers?
- What are the possible spin quantum numbers for an electron with #m_l = -1#?
- What are the quantum numbers for atoms?
- What is the maximum number of electrons in an atom that can have the following set of quantum numbers n=4 l=3 ml=-2 ms=+1/2?
- How many electrons can be added to the fifth energy level?
- Question #7c3c0
- Question #01fe2
- Where do the four atomic quantum numbers come from?
- Use the formula #2n^2# How many electrons could energy level five have?
- Question #03b61
- Question #7dc85
- Question #2d40e
- Question #8926c
- Question #ec78b
- Question #66a8c
- Question #13e34
- How many electrons can go into the third quantum level?
- Question #6950a
- Question #a5f60
- What electron could have quantum numbers #n = 3#, #l = 0#, #m_l = 0#, #m_s = -1/2#?
- What does the second quantum number #(l)# describe?
- How many electrons are in #n=3#, #l= 2#?
- What is a quantum number?
- Which of the following set of quantum numbers is not allowed?
- If #n = 2#, #l = 1#, and #m_l = 0# is desired for a given atom, how many quantum states are allowed for any such electron(s) in this atom?
- Question #9de81
- Question #3d416
- How to assign 4 quantum numbers to 2 electrons in 3p orbitals?
- Question #60ee9
- Question #254fb
- How many electrons in an atom can have #n=7# and #m_l = +3# ?
- Question #2e939
- What are the values of n and l for the last subshell of Na (Z=11) and B (Z=5)? What are their shapes?
- How many electrons are in orbitals with #l = 3# within moscovium?
- Question #1be6d
- What are the quantum numbers for last electron of cadmium?
- What photon energy could be absorbed by a hydrogen atom that is in the n = 2 state?
- Which of the following sets of 3 quantum numbers is/are possible?
- Question #a505f
- How many sets of quantum numbers specify all the #2p# orbitals?
- How many electrons have quantum numbers #(n,m_s) = (3,-1/2)#?
- Where do quantum numbers come from and how were they determined?
- Question #64fc6
- How many electrons can be described by the quantum numbers n=5, l=2 in a particular atom ?
- Question #1b3f0
- Which of the following is NOT a valid quantum number set for an orbital?
- Question #9f419
- What is the maximum number of electrons that can occupy the #l = 4# subshell? What are the possible sets of 4 quantum numbers for an electron in #n = 4# orbitals?
- Question #7c45b
- Question #96d3a
- Question #aa923
- Question #03743
- Question #86f7b
- Question #3ccc1
- Question #f2414
- Question #fb349
- In a compound #FeCl_2#, the orbital angular momentum of the last electron in its cation and magnetic moment (in Bohr Magneton ) of this compound is?
- How many electrons have #n = 6#, #l = 4#, #m_l = -4#?
- Question #6812b
- What is the only quantum number that does not derive from the Schrodinger equation?
- How many electrons are allowed to share the same quantum state according to the Pauli Exclusion Principle?
- Question #b7e82
- The spin only magnetic moment value (in Bohr magneton units) of #Cr(CO)_"6"# is?
- Question #10924
- What do the subscripts in the wave function #psi_(nlm_l)(r,theta,phi)# indicate?
- Question #6706a
- Question #1b269
- Question #add1d
- Question #a5f5a
- Question #51981
- Question #8e71b
- Question #77f2d
- Question #d4960
- What are the quantum numbers for electrons in the #4d# orbitals?
- Question #f86af
- Question #5a170
- Question #a4966
- Question #a47b4
- How many quantum number sets can be written for an electron located in the #4d# subshell?
- Question #d02f6
- How do you write the three quantum numbers that define an orbital?
- How do you write electron configurations?
- Question #f70af
- Question #c7b21
- Question #2c112
- Question #6f111
- Question #4123c
- What are the quantum numbers for the 9th electron in flourine?
- In the ground state #"Kr"# atom, how many electrons have the quantum number #m_l = -2# ?
- Can anyone help with this question: “Assign 4 quantum numbers to the 3rd, 10th, and 18th electrons in cobalt”?
- Question #6cfda
- Question #21ca6
- In a ground-state #"P"# atom in the gas phase, how many electrons have the quantum numbers #n = 3, l = 1, m_l = –1# ?
- What are the possible quantum numbers for the last (outermost) electron in Ca ? (Z=20)
- What are the sets of quantum numbers that describe the last three electrons of N?
- Question #f307f
- Question #0d46c
- Question #930df
- Question #a7fdc
- How many electrons can fill the energy shell described by the principal quantum number #n=4# ?
- Question #3c081
- Write the probable values of #l# and #m_l# for the principal quantum number #n=3#. Why?
- How many subshells are possible with (n+1) equal to 6?
- What are the possible values of quantum number ℓ when n =1 ?
- What values of #m_l# are permitted for an electron with #l=3# ?
- Which of the following sets of quantum numbers are not permitted?
- An electron has the following quantum number values: n = 3, l = 1, ml = 0. Which of the following notations represents the most likely location of this electron?
- If an electron has a spin quantum no. of #"+1/2"# and a magnetic quantum no. of #-1#, it cannot be present in?
- How to describe the electrons defined by the following quantum numbers?