The reason why given nucleus has less mass than the sum of its constituent protons and neutrons should be determined. Concept Introduction: Mass defect is caused due to nuclear binding energy in the nucleus which is responsible for keeping the nucleons intact in the nucleus. Since it is known that the protons are positively charged and the neutrons are neutral in charge, therefore the overall charge on the nucleus is positive, due to which the nucleons get repelled. But there exists a force that keeps the nucleons bind together firmly; this energy is called Binding Energy.

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Chapter 19, Problem 19.62SP

Interpretation Introduction

Interpretation:

The reason why given nucleus has less mass than the sum of its constituent protons and neutrons should be determined.

Concept Introduction:

Mass defect is caused due to nuclear binding energy in the nucleus which is responsible for keeping the nucleons intact in the nucleus. Since it is known that the protons are positively charged and the neutrons are neutral in charge, therefore the overall charge on the nucleus is positive, due to which the nucleons get repelled. But there exists a force that keeps the nucleons bind together firmly; this energy is called Binding Energy.

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