About Bronze About Bronze Definition Bronze is a yellow or brown alloy of copper and tin, sometimes with small amounts of other metals such as lead or…
Ceramic Ceramic Definition Ceramic are any of various hard, brittle, heat- and corrosion-resistant materials made typically of metallic elements combined with oxygen or with carbon, nitrogen,…
Malachite Malachite Definition Malachite is a bright-green monoclinic mineral occurring as a mass of crystals (an aggregate) with smooth or botryoidal (grape-shaped) surfaces. It is often…
About Azurite About Azurite Definition Azurite is a soft stone, named for its deep “azure blue” color. It is a copper carbonate mineral found in the upper…
Copper Sulfide Copper Sulfide Definition Copper sulfide is a crystalline solid used as a semiconductor and in photo optic applications. It is the black, bluish black, or…
Copper Copper Definition Copper is a reddish-brown, ductile, malleable metallic element that is an excellent conductor of heat and electricity. It is the 29th element on…
About Silver About Silver Definition Silver is a soft, shiny, white metallic element that is found in many ores, especially together with copper, lead, and zinc. It…
Ethylene Oxide Ethylene Oxide Definition Ethylene oxide is a colorless, odorless, gaseous, toxic, ring compound, C2H4O, usually obtained by the oxidation of ethylene: used chiefly in the…
Thionyl Chloride Thionyl Chloride Definition Thionyl chloride is a moderately volatile colorless liquid with an unpleasant acrid odor. Boiling point 79°C. A lachrymator, highly corrosive and toxic.…
Zinc Chloride Zinc Chloride Definition Zinc chloride (ZnCl2) is a white, water-soluble crystalline compound used as a wood preservative, as a soldering flux, and for a variety…
Zinc Sulfide Zinc Sulfide Definition Zinc sulfide is transparent and white in color. It is usually produced from waste materials, and it is also a by-product of…
About Zinc About Zinc Definition Zinc is a shiny, bluish-white metallic element that is brittle at room temperature but is malleable when heated. It is a mineral…