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(B) The stability of a nucleus is determined by its binding energy per nucleon. According to the binding energy curve,the binding energy per nucleon i

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decreases with mass number for high mass numbers.

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(B) The stability of a nucleus is determined by its binding energy per nucleon. According to the binding energy curve,the binding energy per nucleon is lower for very heavy nuclei (high mass numbers) compared to nuclei of intermediate mass. When a heavy nucleus undergoes fission into two lighter nuclei of intermediate mass,the binding energy per nucleon increases. This increase in binding energy per nucleon results in the release of energy,making the fission process possible.

Nuclear fission is possible because the binding energy per nucleon ..........

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