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
A door belongs to the second class of levers because its pivot (hinge) is at the end, the load (weight of the door) is at the center, while the effort (opening the door) is applied at the other end. A wheelbarrow is also a second-class lever.Full Answer >
A narrative paragraph tells the story of an event, providing the relevant details of when and where the event occurred as well as who was included and what transpired. The paragraph describes either an actual event or a fictional one that the writer creates.Full Answer >
Several online plagiarism checkers offer free services for college papers, including Plagtracker and Brian Klug's plagiarism checker on Dustball.com. ScanMyEssay also offers a free download of Viper, a plagiarism checker application for Windows operating systems.Full Answer >
The conclusion in a science project summarizes the results of the experiment and either contradicts or supports the original hypothesis. It is a simple and straightforward answer to the question posed by the experiment. This section is clear, concise and informative.Full Answer >