Question

What is the measure of the stability of the atom?

    What is the measure of the stability of the atom?

Physics (Class 10)

Physics (Class 10)

Trishna Knowledge… 2nd Edition

Chapter 9, Problem 11

Instant Answer

Solved by Expert Jesse Leeder

05/26/2020

Step 1

Atomic stability refers to how likely an atom is to remain in its current state without undergoing a change, such as radioactive decay or a chemical reaction. Stable atoms do not change over time, while unstable atoms may decay or react. Show more…

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What is the measure of the stability of the atom?

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Key Concepts

Binding Energy

Binding energy is the energy required to separate a nucleus into its individual protons and neutrons. It reflects how strongly the nucleons are held together by the nuclear force, and its magnitude indicates the overall stability of the nucleus.

Binding Energy per Nucleon

Binding energy per nucleon is the average binding energy for each individual proton or neutron in a nucleus. It serves as a direct measure of a nucleus's stability, with higher values usually corresponding to a more stable atomic configuration.

Mass Defect

Mass defect is the difference between the sum of the individual masses of protons and neutrons and the actual mass of the nucleus. This discrepancy, converted into energy via mass-energy equivalence (E=mc²), provides the binding energy that holds the nucleus together, thereby linking to its stability.

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