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Because in air is some more N-15 isotope than in soil, rock, water. Caused by influence of cosmic radiation.
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∙ 12y ago
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What are the differences between atmospheric nitrogen and laboratory nitrogen?
Chemical nitrogen 1 it is pure as it does not have any inert gases. 2 it is lighter compared to atmospheric nitrogen. 3 it is highly reactive. Atmospheric nitrogen 1 it has 1% inert gases. 2 it is heavier than chemical nitrogen due to the dust particles. 3 it is less reactive because of the inert gases.
Is nitrogen heavier than oxygen?
it is heavier
What has one less than protons than nitrogen?
This chemical element is carbon.
What element is a light green yellow gas heavier than air?
Almost all solid elements are heavier than air. This is why these elements do not float under normal atmospheric situations.
Plant and animals can not use the nitrogen that makes up?
The atmospheric nitrogen. This is a diatomic and triple bonded form of nitrogen that can not be metabolized by organisms other than some bacteria which convert it into usable form for plants.
What are the differences between atmospheric nitrogen and laboratory nitrogen?
Chemical nitrogen 1 it is pure as it does not have any inert gases. 2 it is lighter compared to atmospheric nitrogen. 3 it is highly reactive. Atmospheric nitrogen 1 it has 1% inert gases. 2 it is heavier than chemical nitrogen due to the dust particles. 3 it is less reactive because of the inert gases.
Is nitrogen heavier than oxygen?
it is heavier
Who is heaver nitrogen or air?
Dry air is about 80% nitrogen. The remaining 20% consists mostly of things that are heavier than nitrogen, so dry air is very slightly heavier than nitrogen.
Why is argon more dense than nitrogen?
atoms of argon are heavier than atoms of nitrogen
How does atmospheric nitrogen fixation affect organisms?
Atmospheric nitrogen fixation is the process where nitrogen is converted into ammonia. Without nitrogen, organisms couldn't grow, and organisms need nitrogen more than anything to grow.
Is ammonia vapor heavier than nitrogen?
Nitrogen gas has a higher density.
What is heavier than air?
Almost all solid elements are heavier than air. This is why these elements do not float under normal atmospheric situations.
Is nitrogen dioxide a metal?
nitrogen dioxide is nonmetal. it is a gas which has some what heavier than air
Which element is heavier than carbon but lighter than oxygen?
If "heavier than" in the question is interpreted to mean "has an atomic mass greater than", the answer is nitrogen
Why is fluorine heavier than nitrogen?
the number of neutrons and protons are more.
1 kilogram feather heavier or 1 kilogram stone heavier?
Due to atmospheric pressure the weight of 10 kg of cotton is grater than 10 kg of iron.
What has one less than protons than nitrogen?
This chemical element is carbon.
