1.
The maximum number of electrons that can be accommodated in the 3rd shell (n = 3) is:
A
8
B
18
C
32
D
10
View Answer
Correct Answer: B — 18
Explanation:
Maximum electrons in a shell = . For n = 3: .
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The maximum number of electrons that can be accommodated in the 3rd shell (n = 3) is:
8
18
32
10
Correct Answer: B — 18
Explanation:
Maximum electrons in a shell = . For n = 3: .
A projectile is launched at 30° to the horizontal with initial velocity 20 m/s. What is its horizontal range? (g = 10 m/s²)
20 m
40 m
20√3 m
10√3 m
Correct Answer: C — 20√3 m
Explanation:
m.