Answer:
The elements or compound that enters into a chemical reaction are reactants or reagents.
Explanation:
A reagent or reactant is, in chemistry, any substance that interacts with another in a chemical reaction that gives rise to other substances of different properties, characteristics and conformation, called reaction products or simply products. Because they are chemical compounds, the reagents can be classified according to many variables: physical-chemical properties, reactivity in chemical reactions, characteristics of the use of the reagent.
Answer:
Double bond
Chemical compounds with double bonds.
Ethylene Carbon-carbon double bond.
Acetone Carbon-oxygen double bond.
Dimethyl sulfoxide Sulfur-oxygen double bond.
Diazene Nitrogen-nitrogen double bond.
Explanation:
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I think the correct answer would be C. The common characteristic that is shareed by the elements found at the center of a period would be that they are the least reactive species. Having lower value of electronegativity, there is less ionization of the atoms which would also contribute to less reactivity.
Answer:
To reduce acid rain.
Explanation:
Sulfur often removed from fuels before they are burnt because when sulfur is burned it get converted into sulfur dioxide and when sulfur dioxide mix with atmosphere, it can cause acid rain which is very harmful.
So, in order to reduce acid rain, sulfur often removed from fuels before they are burnt.
Hence, the correct answer is "To reduce acid rain."
