chemistry : class11 p subshell capacity : Concept of subshells : Structure of Atom MCQ Questions and Answers
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p subshell capacity
MCQ questions and answers.
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MCQ Questions
1. What is the maximum number of electrons that can occupy a p subshell?
A.
2
B.
6
C.
10
D.
14
Correct Answer:
6
Explanation:
A p subshell contains three orbitals, and each orbital can hold two electrons. Therefore, its maximum capacity is 3 × 2 = 6 electrons.
2. How many orbitals are present in a p subshell?
A.
1
B.
2
C.
3
D.
5
Correct Answer:
3
Explanation:
A p subshell always consists of three orbitals. Since each orbital can hold two electrons, the p subshell can accommodate six electrons.
3. The maximum capacity of the 2p subshell is:
A.
2 electrons
B.
4 electrons
C.
6 electrons
D.
8 electrons
Correct Answer:
6 electrons
Explanation:
The 2p subshell is a p subshell, so it has three orbitals with a capacity of two electrons each, making its total capacity six electrons.
4. Which electron capacity correctly represents a completely filled p subshell?
A.
p1
B.
p2
C.
p5
D.
p6
Correct Answer:
p6
Explanation:
A p subshell can hold a maximum of six electrons. Thus, p6 represents a completely filled p subshell.
5. If all three orbitals of a p subshell are filled, how many electrons does the subshell contain?
A.
3
B.
4
C.
6
D.
9
Correct Answer:
6
Explanation:
Each of the three p orbitals can contain two electrons. Therefore, three completely filled orbitals contain six electrons.
6. Which of the following is the correct maximum electron capacity of any p subshell?
A.
1 electron
B.
2 electrons
C.
6 electrons
D.
8 electrons
Correct Answer:
6 electrons
Explanation:
All p subshells have three orbitals, and each orbital holds two electrons. Hence, every p subshell has a maximum capacity of six electrons.
7. A p subshell is half-filled when it contains how many electrons?
A.
1
B.
2
C.
3
D.
6
Correct Answer:
3
Explanation:
The full capacity of a p subshell is six electrons. Half of six is three, so a p3 subshell is half-filled.
8. How many electrons are needed to fill a vacant p subshell completely?
A.
2
B.
3
C.
5
D.
6
Correct Answer:
6
Explanation:
A vacant p subshell has three empty orbitals. Placing two electrons in each orbital requires six electrons to fill it completely.
9. Which electron arrangement indicates a p subshell containing its maximum possible number of electrons?
A.
p2
B.
p3
C.
p5
D.
p6
Correct Answer:
p6
Explanation:
The maximum capacity of a p subshell is six electrons, so the notation p6 represents its maximum occupancy.
10. Compared with a completely filled p subshell, a p4 subshell has how many fewer electrons?
A.
1
B.
2
C.
3
D.
4
Correct Answer:
2
Explanation:
A completely filled p subshell contains six electrons. A p4 subshell contains four, so it has 6 − 4 = 2 fewer electrons.
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