Niquel

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Niquel

  1. 1. 28Niquel – NickelMass: 58,69 u[Ar] 4s23d8or [Ar] 4s13d9Melting point: 1728 KBoiling point: 3186 KDensity: 8.908 g·cm−3Discovery: Axel Fredrik CronstedtIt is a silvery-white lustrous metal with a slight golden tinge.Nickel belongs to the transition metals and is hard and ductile. Purenickel shows a significant chemical activity that can be observed whennickel is powdered to maximize the exposed surface area on whichreactions can occur, but larger pieces of the metal are slow to reactwith air at ambient conditions due to the formation of a protectiveoxide surface.

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