(show all your works and make sure that you answer all questions from part a to

Question

(show all your works and make sure that you answer all questions from part a to part d. Sorry for long questions, but I will give thanks to anyone who help me answer all questions from part a to part d)

a. (picture attached below question part d) is a plot of the neutron/proton ratio of nuclides. what is significant about the this band of stability

c. what are the 4 major factors that determine nuclear stability of nuclides

d. why is the significance of the fact that the general slope (in the same picture in part a) is greater than 1/1

Explanation / Answer

a) stability band: lighter nuclei having n/p ratio 1 and heavier nuclei upto Z=83 having n/p ratio in range (1-1.6) are stable. This region is called stability belt. Nuclides lying above and below this are unstable.

b) radioactive or unstable nuclides are located above and below stability belt.

c) major factor deciding nuclear stability are: n/p ratio, number of nucleons, binding energy, magic numbers.

d)lighter nuclei having n/p ratio 1 and heavier nuclei upto Z=83 having n/p ratio in range (1-1.6) are stable

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