Stable nuclei with mass numbers greater than 40 have A) N Z. B) Z N. C) N M. D) M N + Z.

Name: Stable nuclei with mass numbers greater than 40 have A) N > Z. B) Z > N. C) N > M. D) M N + Z.
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Question

Stable nuclei with mass numbers greater than 40 have
A) N > Z.
B) Z > N.
C) N > M.
D) M < N + Z.
E) M > N + Z.

Quizplus · Accepted Answer

Stable nuclei with mass numbers greater than 40 typically have more neutrons (N) than protons (Z) to help offset the repulsive forces between the positively charged protons and maintain nuclear stability.

Stable Nuclei with Mass Numbers Greater Than 40 Have