What is the rarest metal on earth? The rarest stable metal is tantalum. The rarest metal on earth is actuallyfrancium, but because this unstable element has a half life of a mere 22 minutes, it has no practical use. Is platinum better than gold? Gold: Strength and Durability. While both...
What metallic element is found in limestone? What is the most abundant metal element in the Earth's crust? What is a halide mineral? What is a carbonate mineral? What is the most abundant element? Which mineral among the following does not have a metallic luster? a. Pyrite b. Galena c...
If platinum as a whole exists at 7.5 ppb in the earth’s crust, Pt-190 would be 0.014% of that: 0.00105 ppb or about one part per trillion. Therefore, isotopically pure platinum-190 is the most precious metal in the world. As of this writing, a well-known chemical supply firm now ...
What are the most nonreactive metals? What is the heaviest element on the periodic table? Which of the alkaline earth metals is the largest? The most abundant element in the human body is what? What is the densest metal? Which isotope is the most abundant? What is the most reacti...
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On the ocean floor, the Earth's crust is a series of rock islands that are floating. These rock islands, or plates, are constantly shifting throughout time. These plates can eventually rub against, bump into or drift away from each other. This action can result in volcanic action, mountain...
What are some of the rarer razors you've come across? This thread is about holy grails and white whales. The razors that you hunt the earth for. Half of these razor could be had in a month of garage/estate sales and flea markets. My collection is comprised of mostly the common ...
The chemical element darmstadtium is classed as a transition metal. It was discovered in 1994 by research scientists at the Heavy Ion Research Laboratory inDarmstadt, Germany. Which is the rarest element on the Earth? A team of researchers using the ISOLDE nuclear-physics facility at CERN has me...
Osmium narrowly beats iridium for the title of densest metal. However, iridium takes the crown for the most corrosion resistant metal. Any industrial application that needs heavy-duty corrosion resistance will use a little bit of iridium alloy. Although rare on earth,iridium is abundant in asteroid...
Mineral strength is calculated by measuring tenacity, hardness, cleavage, and fracture. Examine the methods of each of these concepts through examples, and learn about the usage of the Mohs scale to determine the hardness of a mineral, and find examples of brittle, malleable, sectile, and elast...