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Chlorine gas is greenish yellow in appearance. The word “chlorine” comes from the Greek word “chloros,” meaning greenish yellow. This element is a halogen belonging to group 17 on the periodic table. Its chemical symbol ... More »

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Chlorine is a pale green-yellow gas, according to About.com. Its name is derived from the Greek word "khloros," which means "greenish-yellow." Chlorine has an atomic number of 17 and atomic weight of 35.4527. Its symbol ... More »

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The phase of chlorine is dependent upon temperature and pressure, but it is a gas at room temperature and standard pressure. At standard pressure, chlorine liquefies at minus 29.15 degrees Fahrenheit and freezes at minus... More »

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Harper College explains that forming a precipitate, color changes, gas formation and temperature change are signs of a chemical change. The University of California, Davis adds that the presence of odor also indicates a ... More »

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Although neon lights and signs are seen glowing in a wide variety of colors, the actual color emitted by pure neon gas when electrified is a bright orange-red color. The additional colors created by what became known as ... More »

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Common table salt, without any of the extra ingredients that may be added to the retail food product, is a compound comprised of the metallic element sodium and the non-metallic element chlorine. The chemical name for pu... More »

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A good example of the octet rule would be chlorine, which has seven electrons in its outer shell and bonds easily. Chlorine is able to bond with elements like argon so it can attain eight electrons and fulfill the octet ... More »

www.reference.com Science Chemistry