1. Binding energy per nucleon in a nucleus is... a. the same for all nuclei b. t
ID: 922867 • Letter: 1
Question
1. Binding energy per nucleon in a nucleus is...
a. the same for all nuclei
b. the greatest for the largest nuclei
c. the greastest for medium-sized nuclei
2. Of the following consrvation laws, which (if any) is not obeyed in radioactive decay?
a. momentum
b. charge
c. angular momentum
d. all of these are obeyed
3. The gravitational force, the electromagnetic force, and the strong nuclear force are__ range, __ range, and __range, respetively.
a. short, long, long
b. short, short, short
c. long, short, short
d. long, long, short
3. Which of the following nuclear reactions is forbidden?
73Li+32He --> 11p +2 42He
73Li+11H --> 2 42He
10n+23592U --> 13250Sn+10142Mo+310n
42He+31H --> 73Li
73Li+32He --> 11p +2 42He
73Li+11H --> 2 42He
10n+23592U --> 13250Sn+10142Mo+310n
42He+31H --> 73Li
Explanation / Answer
1)
c. the greastest for medium-sized nuclei
2)
b. charge
3)
d. long, long, short
4)
73Li+32He -----------------> 11p +2 42He
here in this equation reactant side
mass number = 10
atomic number = 5
product side
mass number = 9
atomic number = 5
mass numbers are not equal so it is forbidden
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