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level: Level 1 of Chapter 13 Nitrogen

Questions and Answers List

level questions: Level 1 of Chapter 13 Nitrogen

QuestionAnswer
In what group is NitrogenGroup 15
Is Nitrogen a metallic or non-metallic elementnon-metallic elements
What percentage does Nitrogen gas make up the Earth's atmosphere?78%
What is the electronic configuration of a nitrogen atom1s² 2s² 2p³
How does Nitrogen atoms gain 3 electrons to achieve the noble gas configuration of neon?Nitrogen atoms do this by forming a triple covalent bond between two N atoms
The complete oxidation of the nitrogen gas takes place in 3 steps:Step1: Lighting provides the high activation energy needed for the oxidation of the unreactive nitrogen gas to forms nitrogen(II) oxide Step2:Nitrogen(IV) oxide dissolves in water droplets in the air, and react with more oxygen, to form a dilute solution of nitric acid. The dilute acid falls to the Earth in rain. Step 3: The sequece of reactions in the atmosphere forms part of the natural nitrogen cycle. In this way, nitrogen from unreactive, insoluble nitrogen gas can get into the soil in a soluble form that plants can absorb
How do we test for ammonia gasUse damp red litmus paper. THe litmus paper will turn blue in the alkaline gas
What is the formula for ammonium ionNH₃(aq) + H⁺ (aq) → NH₄⁺(aq)
Oxidation of nitrogen takes place at the high temperatures inside a car engine. How?In the engine a mixture of air and fuel is compressed and ignited by a spark. Under this high pressure and high temperatures, nitrogen can form nitrogen oxides
What are 2 things caused by Nitrogen oxide1. Acid rain 2. Photochemical smog
Why are other pollutants called secondary pollutantsBecause they are not given off directly from human activity
What is a example of primary pollutants and why.Nitrogen oxides are examples of primary pollutant as they are given off directly into the are from the source of pollution
Other primary pollutants in exhaust fumes are ..... These are largely unburnt ... from fuel, and their oxidised products. The VOCs can react in ....... with oxides of nitrogen to make peroxyacetyl nitrate (also called PAN). Its chemical formula can be written as ........ Sunlight provides the energy needed to start the reactions off in the atmosphere, so we call them .........1. Volatile organic compounds (VOCs) 2. Hydrocarbons 3. Sunlight 4.CH₃CO₃NO₂ 5. Photochemical reactions
PAN is one of the harmful pollutants found in............ .Photochemical smog