Cadmium content

Cadmium, a rare metal element, chemical symbol Cd, atomic number 48, discovered in 1817. The simple substance is silver-white metal, which is an excellent metal that absorbs neutrons. The rod can slow down the chain fission reaction rate in nuclear reactors, and it is quite useful in zinc-cadmium batteries. Its sulfide is bright in color and is used to make cadmium yellow pigment.

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