1. Of the gasses helium, oxygen, neon, sulfur dioxide, and nitrogen, which shows
ID: 928825 • Letter: 1
Question
1. Of the gasses helium, oxygen, neon, sulfur dioxide, and nitrogen, which shows the most variation in its atmospheric concentration?
2. What is the most abundant hydrocarbon in the atmosphere? What is its significance in relation to pollutant formation in the atmosphere?
3. The properties of elemental hydrogen are unique? properties and some of major uses of H2?
4. Carbon has two isotopes that are of particular importance?
5. What do particular kinds of fluorine compounds to do with atmospheric ozone?
Explanation / Answer
The concentrations of nitrogen and oxygen vary, largely because of biological action, but their concentrations still do not change much from the mean.
Neon and helium concentrations are constant since they won't react with any chemical substances. for a chemical change.
Sulphur dioxide is produced chiefly by volcanic actions and acid rains.so its atmospheric concentration can vary strongly.
2) CH4 is the most abundant hydrocarbon in atmosphere. It reacts with Nitrogen dioxide in presence of sunlight and forms a complex which is not good for environment.
3)elemental Hydrogen is having one proton and one electron.It is having Three isotopes Protium , Deuterium, Tritium.It is the lightest element and can explode in presence of sunlight , flame or spark.It is diatomic.It is found in almost all Organic compounds.Hydrogen is used in habers process for nitrogen fixation. and it is used in low temperature research.
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