Copper oxide is a black solid substance. It is generally in a fine powder form and has many different applications. More »

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Copper(II) oxide is an ionic black or brown solid that can be obtained from several different reactions. It also occurs in a steel-gray mineral form named tenorite. More »

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Copper oxide is a chemical compound made up of two elements, namely copper and oxygen. Copper combines with oxygen to form copper I oxide or copper II oxide. Copper I oxide is a black compound while copper II oxide is re... More »

Pennies become dull or change color with prolonged exposure to air because they are made of copper, which reacts to the presence of oxygen by forming copper oxide. Copper oxide is blue-green and has a common name of "ver... More »

When copper is heated, it decomposes to form copper oxide and carbon dioxide. It is an endothermic reaction, which means that it absorbs heat. When heated, copper is easily bent or molded into shapes. More »

The chemical formula for beryllium oxide is BeO. The chemical formula of any compound uses the symbols found on the periodic table of elements. For beryllium oxide, the symbol Be is used for beryllium and the symbol O is... More »

Calcium oxide, also called quicklime, is a chemical compound used in many different industries for different applications. In the metallurgy and steel industries, calcium oxide is useful for purifying or melting metals. ... More »