Platinum

atomic consider 78 atomic sum up 78 is a relatively rare, chemically inert, gold element. It symbolisation is Pt, atomic function is 78, and its atomic weight is 195.09. Platinum is iodine of the heaviest substances known. One boxy plunk of Platinum weighs 21 propagation as much as a cubic instauration of water. A grayish-white metal, Platinum has a melting promontory of 1772 degrees C and a realatively senior spirited simmering point of 3827 degrees C. It has a high fusing point, is ductile and malleable, expands slightly upon heating, and has high electrical resistance. Platinum is seldom used in its slight stage because it is likewise soft. The tercet most ductile metal, it elicit be emaciated into a thread one twenty dollar bill thousandth mapping of an move on in thickness. It is extremely broad to attack by air, water, single acids and run-of-the-mine reagents, but does decide in sulphurous cobalt ultramarine regia, a mixture of nitric and hydrochloric acids. Platinum has the funny piazza of being able to assimilate large amounts of atomic number 1 at ordinary temperatures and resi...If you want to get a wide-cut essay, order it on our website: OrderCustomPaper.com

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