Postingan

Menampilkan postingan dengan label are

why are metals shiny

Gambar
Sheba via WikiCommons CC BY-SA 20 Metals make up the vast majority of elements on the periodic table. Aluminum stocks were looking shiny on Tuesday with Alcoa NYSE. Youtube Metal Shiny Science Metals are elements compounds or alloys that are typically hard when present in a solid-state. . More than 75 of the elements in the periodic table are metals. They react rapidly with oxygen and water vapour in the air when exposed. Also metals can be polished and this is one of the reasons why metals are used to make jewellery and desired by women and men alike. We all love sterling silver for how shiny and beautiful it looks. It simply sports a slightly darker yellow coat but the coloring is all pretty much the same. No huge secret why. We pride ourselves on ease of location top prices as well as customer service. These surfaces turn dull when exposed to air. This is because alkali metals are very reactive. As you fou...