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<p><b>New page</b></p><div>'''Methylene''' is a [[hydrocarbon]] radical that consists of a carbon atom bonded to two hydrogen atoms. It is a highly reactive species that is often involved in the formation of more complex molecules. <br />
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== Structure and Bonding ==<br />
Methylene is a [[divalent]] radical, meaning it has two unpaired electrons. These electrons are located in two different [[orbital (chemistry)|orbitals]] on the carbon atom. The carbon atom is sp-hybridized, meaning it has a linear geometry with bond angles of 180 degrees. The two hydrogen atoms are bonded to the carbon atom through sigma bonds, which are formed by the overlap of the carbon's sp orbitals with the 1s orbitals of the hydrogen atoms.<br />
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== Reactions ==<br />
Methylene is a highly reactive species and can undergo a variety of reactions. It can react with other hydrocarbons to form larger molecules, a process that is important in the formation of [[polymer|polymers]]. It can also react with oxygen to form carbon dioxide and water, a reaction that is highly exothermic and can be used as a source of energy.<br />
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== Occurrence ==<br />
Methylene is not commonly found in nature due to its high reactivity. However, it can be produced in the laboratory through the reaction of methane with atomic chlorine. It is also produced in the upper atmosphere through the reaction of methane with atomic oxygen.<br />
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== Health Effects ==<br />
Due to its high reactivity, methylene can be harmful if inhaled or ingested. It can cause irritation to the eyes, skin, and respiratory tract. Long-term exposure can lead to more serious health effects, including damage to the lungs and central nervous system.<br />
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== See Also ==<br />
* [[Methane]]<br />
* [[Hydrocarbon]]<br />
* [[Polymer]]<br />
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[[Category:Chemistry]]<br />
[[Category:Hydrocarbons]]<br />
[[Category:Radicals (chemistry)]]<br />
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