Covalent Bonding In Carbon Dioxide | Properties of Matter | Chemistry | FuseSchool
Channel: FuseSchool - Global Education
Date: 2017-06-08

Carbon dioxide is a product of one of the most important chemical reactions in the world: combustion. 

Combustion is how a lot of people in the world heat their homes and power their cars. It also unfortunately contributes to the greenhouse effect and global warming. The carbon dioxide molecule is formed from one carbon atom and two oxygens. As an element, carbon only has 4 outer shell electrons and oxygen 6.

Double covalent bonds form between the atoms, where two electrons from each atom are shared making 4 bonding electrons in total. The two groups of bonding electrons in carbon dioxide repel each other and this keeps the oxygen atoms as far away from each other as possible. Carbon dioxide is less reactive than water because it has two bonds with each oxygen. This means you need a lot more energy to break the atoms apart. Carbon dioxide's strong double bonds make it very stable and so whenever there are stray carbon and oxygen atoms flying about, they love to get together and form carbon dioxide. 

Like water, the bonds in carbon dioxide are POLAR COVALENT, making the carbon atom delta positive and the oxygens delta negative. Although, unlike water,  carbon dioxide is not a polar molecule overall.


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