What are the origins of the word Cadmium ?
The name originates from the Greek word kadmeia and from the Latin word cadmia

Facts about the Classification of the Element Cadmium
Cadmium is classified as a "Transition Metal" which are located in Groups 3 - 12 of the Periodic Table. An Element classified as a Transition Metals is ductile, malleable, and able to conduct electricity and heat.

Brief Facts about the Discovery and History of the Element Cadmium
Cadmium was discovered in Germany by Fredrich Stromeyer in 1817

Occurrence of the element Cadmium
Obtained from zinc refining, mining, smelting. Greenockite is the only cadmium mineral of importance and is nearly always associated with sphalerite

Common Uses of Cadmium
Batteries - Nickel Cadmium
Pigments
Coatings and platings
Barrier to control nuclear fission
Televisions
Nickel cadmium batteries

The Properties of the Element Cadmium
Name of Element : Cadmium
Symbol of Element : Cd
Atomic Number of Cadmium : 48
Atomic Mass: 112.411 amu
Melting Point: 320.9 °C - 594.05 °K
Boiling Point: 765.0 °C - 1038.15 °K
Number of Protons/Electrons in Cadmium : 48
Number of Neutrons in Cadmium : 64
Crystal Structure: Hexagonal
Density @ 293 K: 8.65 g/cm3
Color of Cadmium : bluish-white