Periodic Table of the Elements Cadmium

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Periodic Table of the Elements: Cadmium

Periodic Table of the Elements: Cadmium

Atomic Number:	48
Atomic Symbol:	Cd
	Cadmium
Atomic Weight:	112.41
Electron Configuration:	2 · 8 · 18 18 · 2

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cadmium

World Encyclopedia | 2005 | Â© World Encyclopedia 2005, originally published by Oxford University Press 2005. (Hide copyright information) Copyright

cadmium (symbol Cd) Silvery-white metallic element in group II of the periodic table, first isolated in 1817 by the German chemist Friedrich Stromeyer. Cadmium is mainly obtained as a by-product in the extraction of zinc and lead. Malleable and ductile, it is used in electroplating, as an absorber of neutrons in nuclear reactors, and in nickel-cadium batteries. Properties: at.no. 48; r.a.m. 112.4; r.d. 8.65; m.p. 320.9°C (609.6°F); b.p. 765°C (1409°F); most common isotope Cd¹¹⁴ (28.86%).

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