Chapter 20 - The Representative Elements

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.

Haber process

The ________ is one example of nitrogen fixation.

Phosphorus

________ is very reactive and bursts into flames on contact.

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.

decomposition of nitroglycerin

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

pyramidal NH3 molecules

It contains ________.

Nitrogen

________ and phosphorus are nonmetals.

Phosphine

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

Haber process

The ________ is a synthetic method of nitrogen fixation.

Ozone

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

elemental forms

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

Nitric acid

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

Haber process

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

ozone

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

Ozone

________ exists naturally in the upper atmosphere of the earth.