Zirconium is an element that is commonly used as an opacifier and refractory, though it is used in other applications as well. It was first discovered in the late 18th century, but was not isolated until the 19th century or made available in a pure from until the early 20th century. Zirconium is not found… Lei mäs »
Ar renio ge 'nar metal extremadamente raro mi pe̲ts'i 'nar gama características 'na'ño da dí o̲t'e ideal pa xingu ya nt'ot'e da nu'bya xtä.. Pe̲ts'i ar punto ar ebullición mäs da 'yot'e ya xe̲ni ar tabla periódica, ne pe̲ts'i 'na ya puntos ar fusión xí altos. Komongu ar nt'uni 'me̲hna, rhenium is often used for… Lei mäs »
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