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Physical Chemistry -- Nuclear Chemistry
6.
Which of the following combinations will give the most stable nuclei?
- A.Odd Z and odd N.
- B.Even Z and even N
- C.Odd Z and even N
- D.Even Z and odd N
- Answer
- Report
Answer : [B]
7.
In radioactive decay, which of the following move the fastest?
- A.α-particles
- B.β- -particles
- C.γ-rays
- D.Positrons
- Answer
- Report
Answer : [C]
8.
Which of the following combinations would make the nucleus unstable?
- A.N > 126, Z > 83, A < 208
- B.N > 126, Z > 83, A > 209
- C.Z > 82, N < 126, A > 108
- D.Z = 83, N = 126, A > 209
- Answer
- Report
Answer : [B]
9.
For stable nuclei, the average binding energy per nucleon lies between
- A.7 and 9 MeV
- B.10 and 12 MeV
- C.2 and 4 MeV
- D.5 and 7 MeV
- Answer
- Report
Answer : [A]
10.
The most stable nuclei found in the binding-energy curve are those of
- A.Cu
- B.Fe
- C.C
- D.Pb
- Answer
- Report
Answer : [B]
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