The strongest known metal is tungsten. Its atomic mass is 183.84 amu, and it has the highest melting point of all metals: 3,422 degrees Celsius.Know More
The word 'tungsten' is derived from the Swedish words 'tung' and 'sten,' meaning "heavy stone." Tungsten's chemical symbol, W, comes from its early Germanic name, 'wolfram.' The word 'wolfram' comes from the mineral wolframite, meaning "the devourer of tin."
Tungsten is frequently alloyed with steel to create tough metals, which have stability even at high temperatures. This alloy is used to make equipment such as high-speed cutting tools and dental drills. Tungsten and its alloys are also used to make filaments for electric lamps and television tubes.Learn more about Homework Answers
Continuity and discontinuity are two competing theories in developmental psychology that attempt to explain how people change through the course of their lives, where the continuity theory says that someone changes throughout their life along a smooth course while the discontinuity theory instead contends that people change abruptly. These changes can be described as a wide variety of someone's social and behavioral makeup, like their emotions, traditions, beliefs, habits, personality and so on.Full Answer >
A tropical rain forest food web begins with Brazil nut, jackfruit, avocado and banana trees. These are eaten by three-toed sloths, agoutis and birdwing butterflies. Jaguars, boar constrictors and toucans feed on these animals. Bacteria and fungi decompose dead organisms.Full Answer >
One summary problem is, "What geometric shapes do each of these solids [a rectangular pyramid and a cylinder with a cylindrical hole going through it] contain?" A possible answer is, "The solids contain lines, segments, collinear and coplanar points, acute and right angles, triangles, a rectangle and concentric circles."Full Answer >
Prentice-Hall chemistry chapter review answers are available at Slader.com. Choose "Chemistry" under "Find Your Science Textbook." Select the appropriate Prentice-Hall Chemistry book edition, and enter the page number of the review in question. The review final answers for that page will appear. Register to view the full solution.Full Answer >