Answer:
Paramagnetic materials have some unpaired electrons due to these unpaired electrons the net magnetic moment of all electrons in an atom is not added up to zero.
- Atomic dipole exists in this case.
- On applying external magnetic field the atomic dipole aligns in the direction of the applied external magnetic field.
- In this way, paramagnetic materials are feebly magnetized in the direction of the magnetizing field.
- These materials usually experience a weak attraction to magnets.
- Paramagnetism occurs mainly due to the presence of unpaired electrons in the material or due to the partial alignment of randomly oriented atomic dipole along the field.
Examples of paramagnetic elements
The following are the examples of paramagnetic materials,
- Tungsten
- Caesium
- Aluminium
- Lithium
- Magnesium
- Sodium
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