Give two examples of paramagnetic substances.
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Para Magnetic Substances:
- Aluminium
- Manganese
- Oxygen
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(1)The magnetic propertics of a substance arise duc to the presence of clectrons.
(2) An clectron while revolving around the nucleus, also spins around its own aXiS and generates a magnetic moment and magnetic properties.
(3) If an atom or a molecule contains one or more unpaired electrons spinnng n same direction, clockwise or anticloCkwISe, then the substance is associated with net magnetic moment and magnetic properties. They experience a net force of attraction when placcd in the magnetic field. This phenomenon is called paramagnetism and the substance is Said to De paramagneuc.
For example, O_2, Cu^2+, Fe^3+ . Cr^3+, NO, etc.
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