Discussion
Which element shows the property of diamagnetic materials?
Answer: B
The diamagnetic element is copper.
Diamagnetic materials are weakly repelled by a magnetic field: their relative permeability is slightly less than one and their susceptibility small and negative. Copper, silver, gold, bismuth and water are typical examples.
Iron is ferromagnetic and strongly attracted. Aluminium and calcium are paramagnetic: they are weakly attracted, with a relative permeability slightly greater than one.
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