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10 Interesting Facts You Didn't Know About Metal

Interesting 10 Facts You Didn't Know About Metal Most of the elements in the periodic table are metals, of metals. So, it's a good idea to know what metals are and useful facts about these important materials: plus there are and a few things numerous alloys made from mixtures about them. Here are 10 interesting #1 #2 The word metal comes from the Greek word 'metallon,' which means quarry or to mine or excavate. The most abundant metal in the universe is iron, followed by magnesium. #3 #4 The composition of the Earth is not entirely known, but the most abundant metal in the Earth's crust is aluminum. However, the Earth's core likely consists mainly of iron. Metals are primarily shiny, hard solids that are good conductors of heat and electricity. #5 #6 About 75% of the chemical elements are metals. Of the 118 known elements, 91 are metals. Many of the others possess some of the characteristics of metals and are known as semimetals or metalloids. Metals form positively charged ions called cations through loss of electrons. They react with most other elements, but especially nonmetals, such as oxygen and nitrogen. #7 #8 The most commonly used metals are iron, aluminum, copper, zinc, and lead. Metals are used for an enormous Although new metals are being produced and some metals were difficult to isolate in pure form, there were seven metals known to ancient man. These were gold, copper, silver, mercury, lead, tin, and iron. products and purposes. number They are valued for their ability to strength, electrical and thermal properties, ease of bending and drawing into wire, wide availability, and participation in chemical of -----t-- - #9 #10 The tallest free-standing structures in the world are made of metals, primarily the alloy steel. They include the Dubai skyscraper Burj Kalifa, the Tokyo television tower Skytree, and the Shaghai Tower skyscraper. The only metal that is a liquid at ordinary room temperature and pressure is mercury. However, other metals melt close to room temperature. For example, you can melt the metal gallium in the palm of your hand, Sources: Call us now: 01279 4444 06 TOTAL WASTE Email: [email protected] MANAGEMENT LTD

10 Interesting Facts You Didn't Know About Metal

shared by sally.montgomer... on Aug 09
Great prices for your wide scrap metal. Operating from our scrap yard in Harlow, Essex, we offer skip hire, waste disposal and waste management services.


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