Paramagnetism and Diamagnetism Video Lessons

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Problem: Classify the following substances as diamagnetic or paramagnetic based on its magnetic properties.A) A substance that has only paired electrons and no unpaired electronsB) A substance that has no net magnetic momentC) A substance that is weakly repelled by an external magnetic fieldD) A substance that has unpaired electronsE) A substance that is attracted to an external magnetic fieldTo use electron configuration to explain magnetic behavior. An important property that results from the electron configuration of an atom or an ion is behavior in the presence of an external magnetic field. Due to the random orientations of electron spins most materials have no permanent magnetic effect without an external magnetic field.

FREE Expert Solution

We're being asked to classify the following substances as diamagnetic or paramagnetic based on its magnetic properties.


A single moving electron has its own magnetic field. When it pairs up, the magnetic field of each individual electron is canceled because of the electrons' opposite spins.

Recall:

Paramagnetic substance:

• When a  is placed in an external magnetic field, the electrons align their magnetic moments in the direction of the external magnetic field

• Thus, the substance shows a slight attraction toward the external magnetic field.

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Problem Details

Classify the following substances as diamagnetic or paramagnetic based on its magnetic properties.

A) A substance that has only paired electrons and no unpaired electrons

B) A substance that has no net magnetic moment

C) A substance that is weakly repelled by an external magnetic field

D) A substance that has unpaired electrons

E) A substance that is attracted to an external magnetic field


To use electron configuration to explain magnetic behavior. An important property that results from the electron configuration of an atom or an ion is behavior in the presence of an external magnetic field. Due to the random orientations of electron spins most materials have no permanent magnetic effect without an external magnetic field.

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