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- A metallic element, symbol Cd, atomic number
- 48, relative atomic mass 112.41. Cadmium is a
- soft, silver-white, highly toxic metal. It is
- used in electroplating, as a constituent of
- one of the lowest-melting alloys, and in
- bearing alloys with low coefficients of
- friction. Cadmium is also used in control
- rods in nuclear reactors owing to its high
- absorption of neutrons. Cadmium sulphide is
- used in photovoltaic cells.
-