Read e-book online Alkali and Alkaline earth metals (Periodic Table of the PDF

By Monica Halka

ISBN-10: 0816073694

ISBN-13: 9780816073696

ISBN-10: 1438131844

ISBN-13: 9781438131849

Scientists categorize the chemical parts as metals, nonmetals, and metalloids mostly in line with the weather' skills to behavior electrical energy at general temperatures and pressures, yet there are different differences taken under consideration while classifying the weather within the periodic desk. The alkali metals, for instance, are metals, yet have such detailed homes that they're given their very own category. an analogous is correct for the alkaline earths.

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The attraction between opposite charges provides the force that holds the atoms together in what is called an ionic bond. Many chemical bonds are also intermediate in nature between covalent and ionic bonds and have characteristics of both types of bonds. In Chemical Reactions, Atoms Rearrange to Form New Compounds When a substance undergoes a physical change, the substance’s name does not change. What may change is its temperature, its length, its physical state (whether it is a solid, liquid, or gas), or some other characteristic, but it is still the same substance.

015 percent of water molecules). Tritium, on the other hand, is radioactive, has a relatively short half-life, and does not occur naturally. Tritium can be manufactured, however, by bombarding lithium 6 with neutrons. Worldwide lithium production is about 12,500 metric tons per year. With increasing demand for lightweight batteries and power sources that do not depend on fossil fuels, the use of lithium will almost certainly continue to grow. 97 g/cm3. Since this value is less than the density of water, sodium metal floats (although it reacts violently with the water upon contact).

Sodium carbonate (Na2CO3, also called soda ash) is the ingredient in washing soda, which is used as a water softener for laundry. Sodium carbonate is also used in the glass industry and in the manufacture of soap, detergents, and other cleansers. Sodium bicarbonate (NaHCO3) is a source of carbon dioxide and is the principal ingredient in baking powder and baking soda. Sodium citrate (Na3C6H5O7) is added to soft drinks to control their acidity. Sodium hypochlorite (NaClO) is the source of chlorine in household bleach.

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Alkali and Alkaline earth metals (Periodic Table of the Elements) by Monica Halka


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