atomic number 78 platinum is a relatively rare, chemically inert, metal(prenominal) element. It symbol is Pt, atomic number is 78, and its atomic weight is 195.09. Platinum is one of the heaviest substances known. One three-dimensional foot of Platinum weighs 21 times as much as a cubic foot of water. A grayish-white metal, Platinum has a melting tiptop of 1772 degrees C and a realatively high boiling 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 pure stage because it is withal soft.
The third most ductile metal, it can be cadaverous into a thread one twenty thousandth bump of an inch in thickness. It is extremely resistant to attack by air, water, single acids and ordinary reagents, but does dissolve in fervid aqua regia, a mixture of nitric and hydrochloric acids. Platinum has the anomalous property of being able to absorb large amounts of enthalpy at ordi...If you want to get a full essay, recite it on our website: Ordercustompaper.com
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