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This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. ... ( mg / kg ) Price [7] Year Source ...
The iron and steel industry is thus very important economically, and iron is the cheapest metal, with a price of a few dollars per kilogram or pound. Pristine and smooth pure iron surfaces are a mirror-like silvery-gray. Iron reacts readily with oxygen and water to produce brown-to-black hydrated iron oxides, commonly known as rust.
For each commodity they quote a range (low and high price) which reflect the buying and selling about 9-fold due to China's transition from light to heavy industry and its focus on manufacturing. [2] (China became the world's largest consumer of iron ore in 2003, [3] and accounts for over half of global metal consumption.) [4]
An average 70 kg human body is about 0.01% heavy metals (~7 g, equivalent to the weight of two dried peas, with iron at 4 g, zinc at 2.5 g, and lead at 0.12 g comprising the three main constituents), 2% light metals (~1.4 kg, the weight of a bottle of wine) and nearly 98% nonmetals (mostly water). [51] [n 8]
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This is a list of countries by iron ore production based on U.S. Geological Survey data. [a] List. Rank Country Usable iron ore production (× 1000 tonnes) Year
The average price was $16.10 per kg in November and December 2009, [113] but it began trading in June 2010 at $20–$45 per kg. [ 114 ] Neodymium serves as a constituent of high strength neodymium magnets , which are widely used in loudspeakers , computer hard drives , high power-per-weight electric motors (e.g. for those in hybrid cars ) and ...
The kilogram, symbol kg, is the SI unit of mass. It is defined by taking the fixed numerical value of the Planck constant h to be 6.626 070 15 × 10 −34 when expressed in the unit J⋅s, which is equal to kg⋅m 2 ⋅s −1, where the metre and the second are defined in terms of c and Δν Cs. —