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Quantum Numbers
Test Description: Dr.Safwat Project 11C
Instructions: Answer all questions to get your test result.
1) The spin quantum number (ms) refers to
A
orientation of orbitals around nucleus
B
Direction of electron spin
C
sublevel or shape of the orbital the electron is in
D
Energly level the electron is in
2) The magnetic quantum number (ml) refers to
A
sublevel or shape of the orbital the electron is in
B
Energly level the electron is in
C
orientation of orbitals around nucleus
D
Direction of electron spin
3) The principle quantum number (n) refers to
A
Energly level the electron is in
B
orientation of orbitals around nucleus
C
sublevel or shape of the orbital the electron is in
D
Direction of electron spin
4) The angular quantum number (l) refers to
A
Energly level the electron is in
B
sublevel or shape of the orbital the electron is in
C
orientation of orbitals around nucleus
D
Direction of electron spin
5) Who said that no two electrons can have the same set of four quantum numbers?
A
Aufbau
B
Hund
C
Pauli
D
Bohr
6) An electron in an f sublevel can have a principle quantum number of
A
3
B
4
C
1
D
2
7) An electron in the 3rd energy level can have a principle quantum number of
A
3
B
2
C
4
D
1
8) Orbital n=2 can hold up to
A
18 electrons
B
8 electrons
C
11 electrons
D
2 electrons
9) What is the Principle Quantum number (n) of the first shell to have d orbitals?
A
4
B
3
C
2
D
1
10) Can orbital 3f exist?
A
Probably
B
Yes
C
Maybe
D
No
*select an answer for all questions
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