Nickel silver is an alloy made from 50 to 80 percent copper, 5 to 30 percent nickel, and 10 to 35 percent zinc. Although it is silvery in appearance, it is non-precious and contains no silver.
Nickel silver is a highly workable metal, making it valuable in the production of objects such as jewelry and coins. Abrasion and corrosion resistant, it is found in door knobs and decorative plates. In the early 1900s it was often used as a base metal in the electroplating process during the manufacture of tableware and other items. Nickel silver is synonymous with the term "German silver."Learn More
Nitrogen has five valence electrons. Valence electrons are the negatively charged particles found in the outer energy level of an atom, and are required to form chemical bonds.Full Answer >
Rubidium oxide is a yellow-brown or yellowish crystalline solid with a chemical formula Rb2O. It is also known as dirubidium oxide or rubidium (I) oxide. It is a strong base and reacts with water to produce rubidium hydroxide.Full Answer >
The chemical formula for cobalt(II) selenide is CoSe, according to Chemical Dictionary Online. It has a molar mass of 137.89 and a density of 7.65 grams per cubic centimeter. It has a melting point of 1,055 degrees Celsius. It appears as yellow hexagonal crystals.Full Answer >
The most flammable substance in the world is chlorine trifluoride, according to About.com. This substance is so flammable that it does not require an ignition source to combust.Full Answer >