¿es demasiado tarde para ayudarte?
Answer is: <span>functional groups.
</span>Functional groups<span> are specific </span>groups<span> that are responsible for the characteristic chemical properties of molecule.</span>
<span>Proteins have nitrogen and oxygen in functional group.
Nucleic acids and some lipids have phosphorus in fuctional group.
Carbohydrates have oxygen in functional group for example.</span>
Choose five elements from the periodic table and arrange them according to increasing atomic radii increasing ionization energy increasing electronegativity in increasing metallic property
Answers are:
1) shift to fossil fuels or coals with lower amount of sulfur.
2) removal (s<span>pray dry system</span>) of the sulfur oxide after combustion, removal sulfur during combustion (fluidised bed combustion) or reducing the sulpfur before combustion (washing the coal)<span>.
3) </span><span>improve efficiency of conversion of fuel and coal to electric power.
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