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nickel
(Encyclopedia)nickel, metallic chemical element; symbol Ni; at. no. 28; at. wt. 58.6934; m.p. about 1,453℃; b.p. about 2,732℃; sp. gr. 8.902 at 25℃; valence 0, +1, +2, +3, or +4. Nickel is a hard, malleable, ...Periodic Table of the Elements: Nickel
(Encyclopedia)Periodic Table of the Elements: Nickel ...Mond, Ludwig
(Encyclopedia)Mond, Ludwig, 1839–1909, chemist; father of Alfred Moritz Mond, 1st Baron Melchett. He was born in Germany and became a naturalized British subject. Mond experimented with alkalies and also develope...Ni
(Encyclopedia)Ni, symbol for the element nickel. ...garnierite
(Encyclopedia)garnierite gärˈnēərītˌ [key], pale apple-green mineral, chemically a hydrous silicate of nickel and magnesium. An important ore of nickel, it is found in New Caledonia, Russia, and S Africa. In ...pentlandite
(Encyclopedia)pentlandite pĕntˈləndīt [key], yellowish-bronze, opaque mineral, a sulfide of iron and nickel, (Fe,Ni)9S8. It is found in masses nearly always associated with the iron sulfide pyrrhotite. The larg...pyrrhotite
(Encyclopedia)pyrrhotite pĭrˈətīt [key] or magnetic pyrites, bronze-yellow to bronze-red mineral, a sulfide of iron sometimes containing nickel. It tarnishes easily and is somewhat magnetic. It crystallizes in ...Cronstedt, Axel Fredrik, Baron
(Encyclopedia)Cronstedt, Axel Fredrik, Baron äkˈsəl frāˈdrĭk, kro͞onˈstĕt [key], 1722–65, Swedish mineralogist and chemist. In 1751 he discovered in niccolite an impure form of nickel, reported it as a n...shape memory
(Encyclopedia)shape memory, property possessed by certain alloys that allows them to return, when heated, to their original shape after having been deformed. This effect results because, as the alloy is deformed, i...German silver
(Encyclopedia)German silver, name for various alloys of copper, zinc, and nickel, sometimes also containing lead and tin. They were originally named for their silver-white color, but use of the term silver is now p...Browse by Subject
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