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...
the ozone layer is reduced to as little as 100 Dobson units, or about the thickness of a dime. Since it was discovered, this "ozone hole" has grown larger in each successive Antarctic winter before it disappears in the summer.
On the other hand, as our population grows, more and more people are at risk along the coasts. People are building homes and workplaces close to the ocean in great numbers. Some people like living by the sea and others find that there is no other place for new construction. As populatio...
What is the rarest mineral?Minerals:Minerals are crystalline substances that have a specific chemical composition. Minerals are what make up rocks. Some minerals, like sodium chloride (salt), are very common, while others are extremely rare....
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 ...
The frontal lobe is the section responsible for motor skills, like movement and speech, and cognitive functions, like planning and organization, and it's a good place to start in our understanding of AHS [source: Mayo Clinic]. Let's concentrate on the planning and organization. Let's say ...
What is the lightest alkaline earth metal? Which pure substance can be classified as an element? What is the lightest halogen? What is the smallest part of the atom that has almost no weight? What is the heaviest element on the periodic table? What is the smallest unit of matter? What...
In the catalytic converter, there are two different types of catalyst at work: a reduction catalyst and an oxidation catalyst. Both types consist of a ceramic structure coated with a metal catalyst, usually platinum, rhodium and/or palladium. The idea is to create a structure that exposes the...
What's Your Element In Avatar: The Last Airbender? You've seen the show, but which element from Avatar is most like your personality? Play Quiz Beano Quiz Team • Updated August 27th 2024 Rarest AnswerYou Are Air! Completed7.7k Plays10.1k...
What Is the Rarest Silver Certificate? Among the rarest silver certificate dollar bills are the 1928C, 1928D, and 1928E versions. Any notes that fall into these categories can fetch up to $4,500 as long as they're in very good condition.30 ...