P2+-+Metals+in+Mixed+Groups

= ​ Metals in Mixed Groups By: Theresa Manfredini and Sarah Herchenbach = - Metals in Mixed Groups are categorized in many categories, such as alkali, amorphous, and alkaline Earth metals. Some of the elements in those groups are Gold, Silver, Lithium, Sodium, Potassium, Rubidium, Cesium, Tin, Beryllium, Calcium and rancium. - Mixed groups are categorized as a solid. - These groups are found in group one through fifteen and in period two through seven. All of the blue on the Periodic Table represents Metals. - These elements have many physical properties. They have a lustrous (shiny or metalic) appearance. The Elements are malleable, which means they are able to be hammered flat. They are capable of doing this because they are soft metals. These metals have high melting and boiling points because of their cohesive property. Cohesion is the force between molecules of the same substance. - Just like any other Element, these also have chemical properties. If these metals are active, they can react with acids and possibly with water. Mostly alkali metals have the ability to react. Some of the metals can oxidize or have the potential to rust, such as iron. Sodium metal has the ability to react with the oxygen in the air at room temperature to form sodium oxide (a gas). One last chemical property is how metal has the ability to create or conduct electricity. - Common uses for this group are found in money and housing. In money, the element Nickle represent a nickle, 5 cents, and Copper represents a penney, 1 cent. In housing, Copper pipes can be used for drinking water plumbing. Copper is used for that because it prevents rusting. Copper wire can be used for many electrical appliances. - A few interesting facts about Metals in Mixed Groups are out of all the metal in the world, about 70% is used just once and then thrown away. The remaining 30% is recycled. Another fact is how when you recycle only one aluminum can, it has enough energy to run a T.V. for three hours! If unprotected pieces of metal were put in space and they were to touch, they would stick together permanently. At one point in time, Aluminum was once more valuable than Gold!

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