Nickel has been used since ancient times. Pure nickel was
extracted by Axel Cronstedt from the ore niccolite (nickel
arsenide, NiAs) in ***1. The element name comes from comes from
the German word 'kupfernickel' meaning Devil's copper.
Characteristics:
Nickel is a hard, silvery-white metal, which is malleable and
ductile. The metal can take on a high polish and it resists
tarnishing in air. Nickel is ferromagnetic and is a fair
conductor of heat and electricity. Most nickel compounds are blue
or green.
