Which of the following statements best describes the line of stability?

a. It has N = Z when A = 240.
b. It has Z > N at A = 240
c. N always tends to be greater than Z.
d. N tends to be greater than Z, especially for masses greater than calcium.


e.
N tends to be greater than Z for masses greater than calcium because of the coulomb repulsion.

Physics & Space Science

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