Ammonia Overview Ammonia (uh-MOH-nyah) is a colorless gas with a strong, suffocating odor. It was present in the primordial (original) atmosphere of the Earth. Scientists believe that it may have been the source of nitrogen for the earliest forms of...

Ammonia (NH3) is one of the most familiar compounds of nitrogen and hydrogen as well as one of the world's most valuable industrial and agricultural chemicals. Under ordinary conditions, ammonia is a colorless gas that is lighter than air. It has a...

Ammonia is a compound composed solely from the elements hydrogen and nitrogen. At normal room temperatures and pressures ammonia exists as a colorless gas that is lighter than air and has a characteristic pungent odor. Each single ammonia molecule...

Ammonia (NH3) is one of the most familiar compounds of nitrogen and hydrogen as well as one of the world's most valuable industrial and agricultural chemicals. Under ordinary conditions, ammonia is a colorless gas with a sharp odor that stings the...

Ammonia is a compound with the formula NH3. It is normally encountered as a gas with a characteristic pungent odor. Ammonia contributes significantly to the nutritional needs of the planet as a precursor to foodstuffs and fertilizers. Ammonia, either...

An ammonia leak that began when a 16-year-old boy drilled a hole into a pipeline because he heard money was hidden there forced three schools to close Tuesday and led authorities to order evacuations for nearby homes.The teen was severely burned when he drilled into...

Thieves suspected of stealing liquid fertilizer to make methamphetamine left open a storage tank valve that released a dangerous plume of ammonia gas and caused an apartment complex to evacuate, police said Monday.A man driving to work spotted the white plume of gas hugging the...

A nurse at a military-style youth offender camp in Florida failed to tell her supervisors that she saw a 14-year-old boy being repeatedly beaten and forced to inhale ammonia by seven guards hours before the teen died, a state doctor testified Monday.Dr. Shairi Turner, a...

Small amounts of toxic ammonia leaked from a fluid line Sunday as two astronauts conducted the second of what could be a precedent-setting three spacewalks in nine days, upgrading the international space station's cooling system.The ammonia flakes did not appear to make contact with Michael...