1. What is the maximum number of electrons that an s subshell can hold?
A.
1
B.
2
C.
6
D.
10
Correct Answer:
2
Explanation:
An s subshell contains one orbital, and each orbital can accommodate a maximum of two electrons.
2. How many orbitals are present in an s subshell?
A.
1
B.
2
C.
3
D.
5
Correct Answer:
1
Explanation:
An s subshell consists of only one orbital, which can hold a maximum of two electrons.
3. Which electron capacity corresponds to one completely filled s subshell?
A.
1 electron
B.
2 electrons
C.
4 electrons
D.
6 electrons
Correct Answer:
2 electrons
Explanation:
A completely filled s subshell has its single orbital occupied by two electrons.
4. What is the maximum number of electrons in the 2s subshell?
A.
1
B.
2
C.
6
D.
8
Correct Answer:
2
Explanation:
The 2s subshell is an s subshell, so its maximum capacity is two electrons.
5. What is the maximum number of electrons in the 3s subshell?
A.
2
B.
3
C.
6
D.
10
Correct Answer:
2
Explanation:
Every s subshell, including the 3s subshell, contains one orbital and can hold up to two electrons.
6. An s subshell is completely occupied when it contains how many electrons?
A.
1
B.
2
C.
4
D.
8
Correct Answer:
2
Explanation:
The capacity of a single s subshell is two electrons, so it is full when it contains two.
7. Which statement about the capacity of an s subshell is correct?
A.
It can hold a maximum of 1 electron.
B.
It can hold a maximum of 2 electrons.
C.
It can hold a maximum of 6 electrons.
D.
It can hold a maximum of 10 electrons.
Correct Answer:
It can hold a maximum of 2 electrons.
Explanation:
An s subshell has one orbital, and one orbital can accommodate at most two electrons.
8. How many electrons can be accommodated in the 1s subshell?
A.
1
B.
2
C.
4
D.
6
Correct Answer:
2
Explanation:
The 1s subshell is an s subshell and therefore has a maximum capacity of two electrons.
9. If an s subshell contains one electron, how many more electrons can it accommodate?
A.
0
B.
1
C.
2
D.
3
Correct Answer:
1
Explanation:
An s subshell can hold two electrons in total, so one occupied electron leaves space for one more.
10. The notation 4s² indicates that the 4s subshell contains how many electrons?
A.
1
B.
2
C.
4
D.
8
Correct Answer:
2
Explanation:
The superscript 2 shows that the 4s subshell contains two electrons, which is its maximum capacity.
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