Who discovered it? Fausto and Juan Jose De Elhuyar discovered the element tungsten in 1783 in Spain.

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Presentation transcript:

Who discovered it? Fausto and Juan Jose De Elhuyar discovered the element tungsten in 1783 in Spain.

Characteristics Hard Silver White Lustrous Metal Shine

Properties  are pure tungsten is a steel-gray to tin-white metal.  Very pure tungsten can be cut with a hacksaw. The impure metal is brittle and can be worked only with difficulty.  It has the highest melting point of all metals, and at temperatures over 1650°C has the highest tensile strength.  The metal oxidizes in air and must be protected at elevated temperatures.  It has excellent corrosion resistance and is attacked only slightly by most mineral acids.  The thermal expansion is about the same as borosilicate glass, which makes the metal useful for glass to metal seals.

Uses Mining Electron Microscope Drill Bits Nuclear Medicines Light Bulbs X-ray Targets Knifes Jewelry

Value $ for 8’’ of it.

Fun Fact It Greatly Increases the toughness of steel when allowed with it.

Websites Periodic.lanl.gov/74.shtml 4. Picture Websites 1. QoTCOHIg9C70scCFU-DDQod3l0O4Q&url=http%3A%2F%2Fdir.indiamart.com%2Fimpcat%2Ftungsten- alloys.html&ei=mdXjVaGYDM- GNt67uYgO&psig=AFQjCNFVEhK9eQ0QWISOKY6GmkZOhjpNrw&ust= QoTCJDu6O210scCFUGNDQodvfYPrA&url=http%3A%2F%2Fwww.tungstenspheres.com%2F&ei=jc_jVdDzA 8GaNr3tv-AK&psig=AFQjCNFVEhK9eQ0QWISOKY6GmkZOhjpNrw&ust= QoTCJDu6O210scCFUGNDQodvfYPrA&url=http%3A%2F%2Fwww.periodictable.com%2FItems%2F074.57% 2Findex.html&ei=F83jVeG1MIudgwTIwqGICg&psig=AFQjCNFVEhK9eQ0QWISOKY6GmkZOhjpNrw&ust= QoTCLCZ7cK60scCFQOegAodUggBjA&url=http%3A%2F%2Fwww.tradekorea.com%2Fproduct%2Fdetail%2 FP433780%2FTungsten-carbide-tipped-saw- blades.html&ei=cdTjVfCcCIO8ggTSkITgCA&psig=AFQjCNFVEhK9eQ0QWISOKY6GmkZOhjpNrw&ust=