...= -2 For nitrogen dioxide, NO2 :...
...electrons to the nitrogen in nitric acid....
...oxidized. Similarly, the nitrogen in nitric acid...
...to +4 in nitrogen dioxide. Using the...
...oxidation number of nitrogen has decreased, so...

...neutrons collide with nitrogen-14 atoms, producing carbon-14...
...MSC: Applied 49. Nitrogen and oxygen combine...
...form several different nitrogen oxides. In one...
...8.4 g of nitrogen reacted completely with...
...4.2 g of nitrogen reacted with 9.6...
...Which pair of nitrogen oxides is consistent...
...following oxides of nitrogen in this sequence:...
...NO2, N2O4. a. nitrogen monoxide, dinitrogen oxide,...
...monoxide, dinitrogen oxide, nitrogen dioxide, dinitrogen tetroxide...
...dinitrogen tetraoxide d. nitrogen oxide, nitrogen(II) oxide,...
...d. nitrogen oxide, nitrogen(II) oxide, nitrogen oxide(II),...
...oxide, nitrogen(II) oxide, nitrogen oxide(II), nitrogen(II) oxide(IV)...
...oxide, nitrogen oxide(II), nitrogen(II) oxide(IV) e. nitric...
...oxide, nitrous oxide, nitrogen dioxide, nitrogen tetraoxide...
...oxide, nitrogen dioxide, nitrogen tetraoxide ANS: A...
...MSC: Factual 17. Nitrogen and oxygen combine...
...form several different nitrogen oxides. Chemical analysis...
...0.875. Two other nitrogen oxides were produced...
...8.4 g of nitrogen completely with 4.8...
...4.2 g of nitrogen with 9.6 g...
...of these two nitrogen oxides? ANS: N2O...

...A carbon or nitrogen atom moves from...
...in the ground. Nitrogen is also supplied...
...biological process of nitrogen fixation. In terms...
...production is either nitrogen or phosphorus. Levels...
...experiments confirmed that nitrogen is limiting phytoplankton...
...blooms by limiting nitrogen runoff that fertilizes...
...the problem unless nitrogen pollution is also...
...despite relatively high nitrogen concentrations. For example,...
...that fix atmospheric nitrogen, and the extra...
...and the extra nitrogen stimulates the proliferation...
...in terrestrial ecosystems. Nitrogen and phosphorus are...
...common limiting nutrients. Nitrogen most often limits...
...mutualistic relationship with nitrogen fixing prokaryotes. Mycorrhizal...
...oxygen, sulfur, and nitrogen occur in the...
...of water, carbon, nitrogen, and phosphorus. The...
...the atmosphere. The nitrogen cycle Biological importance:...
...cycle Biological importance: Nitrogen is a component...
...and nucleic acids. Nitrogen may be a...
...organic forms of nitrogen. Reservoirs: The major...
...major reservoir of nitrogen is the atmosphere,...
...which is 80% nitrogen gas (N2). Nitrogen...
...nitrogen gas (N2). Nitrogen is also bound...
...and oceans. Some nitrogen is dissolved in...
...water and groundwater. Nitrogen is stored in...
...biomass. Key processes: Nitrogen enters ecosystems primarily...
...primarily through bacterial nitrogen fixation. Some nitrogen...
...nitrogen fixation. Some nitrogen is fixed by...
...bacteria decomposes organic nitrogen. In nitrification, bacteria...
...mineral nutrients, including nitrogen. Experimental deforestation of...
...uranium, chromium, and nitrogen to insoluble forms...
...western United States, nitrogen-fixing herbs such as...
...as lupines increase nitrogen concentrations in soils...

...example, plants acquire nitrogen mainly in the...
...organic molecules contain nitrogen, sulfur, and phosphorus,...
...carbon, oxygen, hydrogen, nitrogen, sulfur, and phosphorus....
...soil. Deficiencies of nitrogen, potassium, and phosphorus...
...18.2 kg of nitrogen, 3.6 kg of...
...usually enriched in nitrogen, phosphorus, and potassium,...
...“10-12-8” is 10% nitrogen (as ammonium or...
...Special Case of Nitrogen as a Plant...
...soil bacteria makes nitrogen available to plants...
...plants sometimes suffer nitrogen deficiencies, for the...
...is nearly 80% nitrogen. Plants cannot use...
...Plants cannot use nitrogen in the form...
...main source of nitrogen is the decomposition...
...including ammonifying bacteria. Nitrogen is lost from...
...atmosphere. Other bacteria, nitrogen-fixing bacteria, restock nitrogenous...
...NH3 (ammonia), via nitrogen fixation. All life...
...Earth depends on nitrogen fixation, a process...
...16ADP + 16Pi Nitrogen-fixing bacteria are most...
...plant species export nitrogen from roots to...
...to incorporate fixed nitrogen into proteins and...
...extraordinary demand for nitrogen which is usually...
...nitrogenase to fix nitrogen may make commercial...
...commercial production of nitrogen fertilizers cheaper. Alternatively,...
...productivity of symbiotic nitrogen fixation may potentially...
...examples are symbiotic nitrogen fixation (roots and...
...fungi). 1. Symbiotic nitrogen fixation results from...
...symbiotic relationships with nitrogen-fixing bacteria. This provides...
...source of fixed nitrogen for assimilation into...
...cells that contain nitrogen-fixing bacteria of the...
...a legume and nitrogen-fixing bacteria is mutualistic,...
...legume with fixed nitrogen. Most of the...
...produced by symbiotic nitrogen fixation is used...
...rotation exploits symbiotic nitrogen fixation. One year...
...of fixed soil nitrogen. Often, the legume...
...benefit from symbiotic nitrogen fixation. For example,...
...tropical grasses host nitrogen-fixing bacteria of the...
...indirectly from symbiotic nitrogen fixation because it...
...which has symbiotic nitrogen-fixing cyanobacteria. This increases...
...normally form such nitrogen-fixing symbioses. In the...
...the efficiency of nitrogen fixation and protein...
...some of their nitrogen and minerals by...

...be nonbiodegradable. Accessing nitrogen, an essential component...
...the forms of nitrogen that they can...
...the cycling of nitrogen through ecosystems. Some...
...N2 directly. During nitrogen fixation, they convert...
...NH4+, making atmospheric nitrogen available to other...
...into organic molecules. Nitrogen fixing cyanobacteria are...
...especially prokaryotes, carbon, nitrogen, and other elements...
...as iron, sulfur, nitrogen, and hydrogen. Cyanobacteria...
...they also fix nitrogen. This stocks the...
...prokaryotes return the nitrogen to the atmosphere....
...(Rhizobium) that fix nitrogen that is used...

...C. carbon D. nitrogen E. sulfur 25....
...B. oxygen C. nitrogen D. carbon E....
...E. 5 38. Nitrogen has a higher...
...procedure that causes nitrogen atoms to gain...
...A. ions of nitrogen. B. positively charged....
...D. isotopes of nitrogen. E. new elements...
...47. The two nitrogen atoms in nitrogen...
...nitrogen atoms in nitrogen gas (N2) share...
...The electronegativity of nitrogen (N) is 3.0,...

...A carbon or nitrogen atom moves from...
...in the ground. Nitrogen is also supplied...
...biological process of nitrogen fixation. On the...
...production is either nitrogen or phosphorus. Nitrogen...
...nitrogen or phosphorus. Nitrogen and phosphorus levels...
...experiments confirmed that nitrogen is limiting phytoplankton...
...the problem unless nitrogen pollution is also...
...their relatively high nitrogen concentrations. For example,...
...that fix atmospheric nitrogen, and the extra...
...and the extra nitrogen stimulates the proliferation...
...terrestrial primary production. Nitrogen and phosphorus are...
...oxygen, sulfur, and nitrogen occur in the...
...of water, carbon, nitrogen, and phosphorus. The...
...the atmosphere. The nitrogen cycle Biological importance...
...cycle Biological importance Nitrogen is a component...
...and nucleic acids. Nitrogen may be a...
...organic forms of nitrogen. Reservoirs The major...
...major reservoir of nitrogen is the atmosphere,...
...which is 80% nitrogen gas (N2). Nitrogen...
...nitrogen gas (N2). Nitrogen is also bound...
...and oceans. Some nitrogen is dissolved in...
...water and groundwater. Nitrogen is stored in...
...biomass. Key processes Nitrogen enters ecosystems primarily...
...primarily through bacterial nitrogen fixation. Some nitrogen...
...nitrogen fixation. Some nitrogen is fixed by...
...bacteria decomposes organic nitrogen. In nitrification, bacteria...
...mineral nutrients, including nitrogen. In one experiment,...
...without nutrient supplementation. Nitrogen is the main...
...matter, releasing usable nitrogen that is then...
...loss of usable nitrogen from agricultural ecosystems....
...supply of fixed nitrogen, due to the...
...the amount of nitrogen in an ecosystem...
...Mississippi River carries nitrogen pollution to the...
...of sulfur and nitrogen that react with...
...Currently, emissions of nitrogen oxides in the...
...The availability of nitrogen and other nutrients...

...the removal of nitrogen-containing waste products of...
...breakdown, enzymes remove nitrogen in the form...
...water needed for nitrogen excretion when a...
...proteins) excrete more nitrogen than animals that...
...acid as the nitrogen excretion molecule. The...

...are enriched in nitrogen (N), phosphorus (P),...
...carbon, oxygen, hydrogen, nitrogen, phosphorus, and sulfur....
...soil bacteria makes nitrogen available to plants....
...the mineral nutrients, nitrogen has the greatest...
...crop yields. The nitrogen cycle describes the...
...the transformations of nitrogen and nitrogen-containing compounds....
...of nitrogen and nitrogen-containing compounds. Unlike other...
...but most soil nitrogen comes from the...
...by breaking down nitrogen in proteins and...
...absorb. Plants acquire nitrogen mainly in the...
...plant species export nitrogen from roots to...
...roots. Some soil nitrogen is lost when...
...Bacteria fix atmospheric nitrogen into usable forms....
...plants sometimes suffer nitrogen deficiencies because the...
...is nearly 80% nitrogen as N2. Plants...
...Plants cannot use nitrogen in the form...
...between the two nitrogen atoms makes the...
...a process called nitrogen fixation. Free-living nitrogen-fixing...
...nitrogen fixation. Free-living nitrogen-fixing bacteria are enriched...
...the rhizosphere. Other nitrogen-fixing bacteria of the...
...16ADP + 16Pi Nitrogen fixation is a...
...ammonia molecule synthesized. Nitrogen-fixing bacteria are most...
...symbioses occur between nitrogen-fixing Rhizobium bacteria and...
...been “infected” by nitrogen-fixing Rhizobium bacteria. Inside...
...produce more usable nitrogen for plants than...
...from the usable nitrogen left in the...
...a legume crop. Nitrogen fixation requires an...
...a legume and nitrogen-fixing bacteria is mutualistic,...
...legume with fixed nitrogen. Most of the...
...produced by symbiotic nitrogen fixation is used...
...normally form such nitrogen-fixing symbioses. The common...
...rotation exploits symbiotic nitrogen fixation. In crop...
...of fixed soil nitrogen. Often, the legume...
...benefit from symbiotic nitrogen fixation. For example,...
...tropical grasses host nitrogen-fixing bacteria of the...
...indirectly from symbiotic nitrogen fixation because it...
...which has symbiotic nitrogen-fixing cyanobacteria. The growing...
...but obtain some nitrogen and minerals by...
...are poor in nitrogen and other minerals....