A diamagnetic substance is described as having no unpaired electrons and being repelled by a magnetic field.

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Multiple Choice

A diamagnetic substance is described as having no unpaired electrons and being repelled by a magnetic field.

Explanation:
Diamagnetism occurs when all electrons are paired, so there are no unpaired spins to align with a magnetic field. When such a substance is placed in a magnetic field, it responds with an induced magnetic field that opposes the applied field, causing a very weak repulsion. Since there’s no permanent magnetic moment, this effect vanishes when the external field is removed. This is why a diamagnetic material is described as having no unpaired electrons and being repelled by a magnetic field.

Diamagnetism occurs when all electrons are paired, so there are no unpaired spins to align with a magnetic field. When such a substance is placed in a magnetic field, it responds with an induced magnetic field that opposes the applied field, causing a very weak repulsion. Since there’s no permanent magnetic moment, this effect vanishes when the external field is removed. This is why a diamagnetic material is described as having no unpaired electrons and being repelled by a magnetic field.

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