48Cd

Cadmium

Transition Metal

Cadmium (Cd) is element 48, a transition metal, in period 5 and group 12 of the periodic table. Its standard atomic weight is 112.414, it melts at 321.07 °C and boils at 767 °C. Discovered by Friedrich Stromeyer, 1817.

Atomic Number48

SymbolCd

NameCadmium

Atomic Weight112.414 u

CategoryTransition Metal

Period5

Group12

Melting Point321.07 °C

Boiling Point767 °C

Density8.69 g/cm³

Electron Config[Kr] 4d10 5s2

Discovered ByFriedrich Stromeyer, 1817

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