MCQ
Ferromagnetic ore properties are due to:
- Afilled inner sub$-$shells.
- Bvacant inner sub$-$shells.
- ✓partially filled inner sub$-$shells.
- Dall the sub$-$shells equally filled.
Partially filled inner sub-shells, due to the magnetic moment of unpaired electrons in partially filled inner sub$-$shells which got align in a particular direction in the presence of external magnetic field.
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