Carbon is a good lubricant, and it is the key component of steel. Carbon is also used as a decorative tool in jewelry items. It is more commonly used as a base for ink, such as that found in inkjet printers. More » Science Chemistry Atoms & Molecules

Plants use carbon dioxide to produce food. Through photosynthesis, they convert carbon dioxide and water into sugar. They derive energy from the sun to transform carbon dioxide into glucose and oxygen. More » Science Biology Botany

Carbon-14 is a radioactive isotope used to date organic material. Its consistent rate of decay allows the age of an object to be determined by the proportion of carbon-14 to other carbon isotopes. This process is called ... More » Science Chemistry
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Elements from the lanthanide series are used for petroleum production, lasers, magnets, projectors, X-ray screens and as a component of steel and magnesium alloys. The lanthanides are soft, highly reactive metals that bu... More » Science Chemistry Atoms & Molecules

According to U.K. metals stockholder Aalco, stainless steel production includes the alloying of iron with carbon, manganese, chromium, nickel, molybdenum, nitrogen, copper, titanium, phosphorus, sulphur, selenium, niobiu... More » Science Chemistry Atoms & Molecules

Iron is mostly used to create steel, an alloy of iron and carbon, according to Jefferson Lab. Iron also plays an important role in producing chlorophyll in plants and serves as an essential component of hemoglobin, the s... More » Science Chemistry Atoms & Molecules

Iron sulphide, also known as ferrous sulphide, is a chemical compound used in alloy and stainless steel industries to control hydrogen embrittlement. The steel industry uses iron sulphide as a re-sulphurization agent in ... More » Science Chemistry Atoms & Molecules