Question

19. Which of the following sets of quantum number is not allowed? A. n = 4, ℓ = 2, mℓ = -2 B. n = 5, ℓ = 0, mℓ = 0 C. n = 6, ℓ = 3, mℓ = 1 D. n = 3, ℓ = 1, mℓ = −1 E. A–D are all allowed sets of quantum numbers

Answer #1

Which of the following set of quantum numbers (ordered
n, ℓ, mℓ) are possible for an electron in an
atom?
Check all that apply.
a,
4, 2, -1
b,
-4, 3, 1
c,
3, 1, -2
d,
3, 3, 1
e,
3, 2, 0
f,
2, 1, 3
g,
4, 2, -2

Quantum numbers arise naturally from the mathematics used to
describe the possible states of an electron in an atom. The four
quantum numbers, the principal quantum number (n), the angular
momentum quantum number (ℓ), the magnetic quantum number (mℓ), and
the spin quantum number (ms) have strict rules which govern the
possible values. Identify allowable combinations of quantum numbers
for an electron. Select all that apply.
n = 4, ℓ= 0, mℓ= 1, ms= 1/2
n = 3, ℓ= –2,...

1. Which of the following set of quantum numbers (ordered n, ℓ,
mℓ, ms) are possible for an electron in an atom? Check all that
apply.
a. 3, 2, 2, -1/2
b. -1, 0, 0, -1/2
c. 3, 2, 1, -1
d. 4, 3, 4, -1/2
e. 2, 2, 2, 1/2
f. 4, 3, -2, 1/2
g. 5, 2, 1, -1/2
h. 3, 1, -2, -1/2
2. How many possible combinations are there for the values of l
and ml...

Which set of quantum numbers can represent a 5f orbital? My
first choice was A because ℓ is equal to n-1 but this was
incorrect. Can you please provide an explanation of of why A is
incorrect.
A) n=4, ℓ=3, mℓ = 3
B) n=5, ℓ=3, mℓ = -2
C) n=5, ℓ=2, mℓ = 0
D) n=4, ℓ=2, mℓ = -3

Which of the following set of quantum numbers (ordered n, ℓ, mℓ,
ms) are possible for an electron in an atom? Check all that
apply.
A) 5, 3, -3, 1/2
B) 2, 1, 0, 1
C) 4, 3, -2, 1/2
D) 4, 3, -4, -1/2
E) 5, 3, 4, 1/2
F) 4, 2, -1, -1/2
G) -1, 0, 0, -1/2
H) 2, 2, 2, 1/2

Which of the following set of quantum numbers (ordered
n, ℓ, mℓ, ms) are possible for an
electron in an atom?
Check all that apply.
Hints
Check all that apply.
2, 2, 2, 1/2
5, 3, -3, 1/2
2, 1, 0, 1
4, 3, -2, 1/2
4, 3, -4, -1/2
5, 3, 4, 1/2
4, 2, -1, -1/2
-1, 0, 0, -1/2

Which of the following set of quantum numbers (ordered
n , ℓ , mℓ , ms ) are possible for an
electron in an atom?
Check all that apply.
Check all that apply.
4, 3, 4, -1/2
3, 2, 0, -2
4, 3, -2, 1/2
2, 2, 2, 1/2
4, 3, -4, -1/2
4, 2, -1, -1/2
5, 2, 1, -1/2
-1, 0, 0, -1/2

Which of the following set of quantum numbers (ordered n, ℓ, mℓ,
ms) are possible for an electron in an atom? Check all that apply.
2, 4, 1, -1/2 -2, 1, 0, -1/2 3, 2, 0, -1/2 3, 2, -3, 1/2 3, 2, 0,
-2 5, 3, -3, 1/2 2, 1, 0, 1/2 5, 3, 4, 1/2

Which of the following set of quantum numbers (ordered n, ℓ, mℓ,
ms) are possible for an electron in an atom?
Check all that apply.
3, 4, 0, 1/2
4, 3, 4, -1/2
4, 3, -4, -1/2
-4, 3, 1, 1/2
5, 3, -3, 1/2
3, 2, 0, -2
4, 2, -1, -1/2
4, 2, 1, -1/2

Quantum numbers arise naturally from the mathematics used to
describe the possible states of an electron in an atom. The four
quantum numbers, the principal quantum number (n), the angular
momentum quantum number (ℓ), the magnetic quantum number (mℓ), and
the spin quantum number (ms) have strict rules which govern the
possible values. Identify allowable combinations of quantum numbers
for an electron. Select all that apply.
a) n=4, l=2, ml=3, ms=+1/2
b) n=6, l=6, ml= 1, ms=-1/2
c) n=3, l=1,...

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