Aluminum is a shiny, silvery metal. It is extremely light and so soft that a thick sheet can be bent easily by hand. When exposed to the air, the surface of the metal reacts with oxygen to form an aluminum oxide, coating, preventing further corrosion of the metal underneath. Also, aluminum have weak metals (like copper and tin) that scientists call "poor" metals. But aluminum alloys, mixtures of aluminum and other metals, produce materials as tough as steel. All these properties make aluminum a very i

Every minute of every day, an average of 123,097 aluminum cans are recycled. Today, the national average of aluminum can recycling is two out of every three cans.

Recycling one aluminum can saves enough energy to keep a 100-watt bulb burning for almost four hours or run your television for three hours.

The properties of aluminum make it a very useful substance. It is soft and easy to shape, it is resistant to corrosion, it can be welded, and it forms alloys with other elements. As a result, the of products that are made from aluminum is huge and includes everything from golf clubs to step ladders, paints to saucepans, and bottle caps to window frames. Pure aluminum is one of the lightest metals, so it will take less energy to move a piece of aluminum than, say, a piece of steel of the same size. This makes aluminum especially important in transport. The only drawback is that pure aluminum is not a very strong metal. Combined with small quantities of various other elements in alloys, however, it becomes incredibly useful.

mportant element. It uses range from making chewing gum wrappers and beverage cans to armor plating for tanks and airplane bodies. Indeed, the modern world would be a very different place without aluminum.

Every atom contains even smaller particles called protons, neutrons, and electrons. The protons and neutrons cluster together in the nucleus at the center of an atom. The electrons spin around the nucleus in a series of layer called electron shells. The number of protons is given by the atomic number. Aluminum has an atomic number of 13, so there are 13 protons in each atom. The protons and neutrons combine to give the atom its mass. Aluminum has an atomic mass of 27, which means each atom has 14 neutrons. The number of electrons and protons are always equal, so there are 13 electrons in each atom of aluminum.

In 1994, Americans recycled 64.7 billion aluminum cans, two billion more than in 1993.

Compounds containing aluminum are sometimes found in small amounts in the human body. As far as scientists can tell, the human body has no use for aluminum compounds. Indeed, many physicians believe that the buildup of large quantities of aluminum compounds in the body may be harmful. Aluminum can enter the body in a number of ways. For example, small quantities of aluminum can be swallowed. Antacid tablets, used as a remedy for indigestion, and toothpaste contain aluminum hydroxide. Aluminum may be consumed if food is prepared using aluminum cooking utensils or

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Approximate Word count = 1704
Approximate Pages = 7 (250 words per page double spaced)