Cadmium

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Definition from 'kadmia' or earth. it occurs in nature of zinc. it burns in air with a bright light.
Discovery 1817 by friedrich stromeyer of germany
Uses rechargable batteries, TV phospors
Group of Elements Late transition metals(Solid)
Atomic Weight 112.411
Oxidation State +2
Melting Point 321
Boiling Point 765
Density 8.65 g/cm3
Electronegativity 1.7