Question

why only Cobalt,nickel,iron shows magnetic property​

Answer 1

The atoms of any element which has electrons with parallel spins behave like a magnet. Magnetic interaction can be observed in substances which are either ferromagnetic or paramagnetic. ... Indeed, the strongest magnets are not made of either iron, cobalt or nickel, but from neodymium and other rare-earth metals.

Answer 2

$\:\yellow\{ANSWER MATE}$

The atoms of any element which has electrons with parallel spins behave like a magnet. Magnetic interaction can be observed in substances which are either ferromagnetic or paramagnetic. ... Indeed, the strongest magnets are not made of either iron,cobalt or nickel, but from neodymium and other rare-earth metals.

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