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 formed when copper reacts with oxygen. In chemistry experiments, this reaction can be sparked by heating copper with a burner, turning the original copper black. 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 »

Cobalt(II) oxide is represented by the molecular formula CoO. It may also be called cobalt monoxide. Cobalt(II) oxide can be formed from the decomposition of cobalt(III) oxide. More »