Chapter 20 - The Representative Elements

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Chemistry

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OF2

The name for ________ is oxygen difluoride rather than difluorine oxide because fluorine has a higher electronegativity than oxygen and thus is named as if it were an anion.

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Haber process

The ________ is one example of nitrogen fixation.

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Phosphorus

________ is very reactive and bursts into flames on contact.

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Nitric acid

________ is an important industrial chemical used in the manufacture of many products, such as nitrogen- based explosives and ammonium nitrate for use as fertilizer.

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decomposition of nitroglycerin

The ________ is a complex process that occurs in many steps.

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pyramidal NH3 molecules

It contains ________.

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Nitrogen

________ and phosphorus are nonmetals.

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Phosphine

________ (PH3) has bond angles close to 90 degrees.

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Haber process

The ________ is a synthetic method of nitrogen fixation.

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Ozone

________ is much less stable than oxygen at 25°C and 1 atm.

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elemental forms

Exists in three ________: white (contains P4 molecules), red, and black.

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Nitric acid

________ is a very important strong acid manufactured by the Ostwald process.

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Haber process

They produce ammonia at soil temperature and 1 atm of pressure, whereas the ________ requires severe conditions of 400°C and 250 atm.

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ozone

Although ________ effectively kills the bacteria in water, one problem with ozonolysis is that the water supply is not protected against decontamination.

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Ozone

________ exists naturally in the upper atmosphere of the earth.

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