Magnesium

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Magnesium, mag NEE shee uhm or mag NEE zhee uhm, a silver-white metal, is the lightest metal that is strong enough to use in construction. It weighs only about two-thirds as much as aluminum, another widely used light metal. Magnesium was discovered in 1808 by the English chemist Sir Humphry Davy.

Barium

Barium, BAIR ee uhm, is a soft, heavy, silver-colored metal element. The metal itself has few uses outside the laboratory. But it combines easily… See more »

Sodium

Sodium is a silvery-white metallic element that has many important uses. It is a soft metal, and can easily be molded or cut with a knife. Sodium… See more »

Cesium

Cesium, SEE zee uhm, is a soft, silvery metallic element. Dissolved cesium salts, such as cesium carbonate and cesium chloride, are widely… See more »

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Magnesium

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