Question

Chemical behaviour of lilgher lanthanides resemble

Answer 1

Lanthanides exhibit strong electromagnetic and light properties because of the presence of unpaired electrons in the f-orbitals. The majority of the Lanthanidesare paramagnetic, which means that they have strong magnetic fields.

Answer 2

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Like most metals, the lanthanides have a bright silvery appearance. Five of the elements (lanthanum, cerium, praseodymium, neodymium, and europium) are very reactive. When exposed to air, they react with oxygen to form an oxide coating that tarnishes the surface.