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oxygen and dioxide
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What are the two ways nitrogen can be fixed?
Bacteria and Lighting
How does an anion of nitrogen forms?
An anion of nitrogen forms through the electron affinity of nitrogen. This is N(g) + e- ---> N^-1(g). Nitrogen can acquire two more electrons to form N^3- (g).
What are two ways that nitrogen is fixed so plants can use it?
The only forms of nitrogen compounds that living things can make use of are ammonia compounds and nitrate compounds.These are called "fixed nitrogen". Animals obtain the nitrogen they need from proteins in the plants and/or animals they eat. Proteins are amino acid polymers and amino acids are built around an ammonia group.
What is nitrogen changed into before being used by living things?
lightning & bacterial action (nitrogen fixers).
What percentage of nitrogen is fixed by nitrogen fixing bacteria?
2.3473
What are the two ways nitrogen can be fixed?
Bacteria and Lighting
What is the difference between free nitrogen and fixed nitrogen and why is this important?
All life forms need nitrogen to grow. Animals can get it from eating plants. But plants must get it from the soil. Fixed nitrogen (in the forms of nitrate ions - NO3-) is the only type of nitrogen that can be found in the soil.Note that nitrogen (as a gas - N2) makes up most of the air. Most plants can not use it because the molecules are triple-bonded.
What type of bond forms when two atoms of nitrogen join a form to nitrogen molecule?
it forms a triple bond
What is the difference between free nitrogen and fixed nitrogen?
Free nitrogen is in the air but fixed nitrogen is in the soil.
What are two major ways in which nitrogen is fixed in ecosystems?
Two major ways whereby nitrogen is fixed in ecosystems are through rainfall and through leguminous crops.
How do you get nitrogen on earth?
Nitrogen is fixed
what bond forms from two nitrogen atoms?
A triple bond.
How does an anion of nitrogen forms?
An anion of nitrogen forms through the electron affinity of nitrogen. This is N(g) + e- ---> N^-1(g). Nitrogen can acquire two more electrons to form N^3- (g).
What type of bond forms when two atoms of nitrogen to form a nitrogen molecule went to atom of a join to form oxygen molecule?
it forms a triple bond
What might happen in a community if all the nitrogen fixation bacteria died?
All life forms in that community would go extinct, because they wouldn't be able to get any fixed nitrogen.
How does nitrogen fixed by nitrogen fixing bacteria?
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Nitrogen in the atmosphere must be fixed before it can be used by plants. Atmospheric nitrogen is fixed by?
bacteria and lighntning
