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Examples of covalent combinations
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Here are a few examples of covalent combinations:
* Hydrogen gas (H2): In a hydrogen gas molecule, the two hydrogen atoms share a pair of electrons, forming a covalent bond.
* Water (H2O): In a water molecule, the two hydrogen atoms share a pair of electrons each with the oxygen atom, forming two covalent bonds. The oxygen atom also shares two pairs of electrons with the hydrogen atoms, forming two more covalent bonds.
* Carbon dioxide (CO2): In a carbon dioxide molecule, the carbon atom shares a pair of electrons with each of the two oxygen atoms, forming two covalent bonds. Each oxygen atom also shares two pairs of electrons with the carbon atom, forming two more covalent bonds.
* Methane (CH4): In a methane molecule, the carbon atom shares a pair of electrons with each of the four hydrogen atoms, forming four covalent bonds.
* Ammonia (NH3): In an ammonia molecule, the nitrogen atom shares a pair of electrons with each of the three hydrogen atoms, forming three covalent bonds. Each hydrogen atom also shares a pair of electrons with the nitrogen atom, forming one more covalent bond.
These are just a few examples of the many covalent combinations that exist in the world around us. Covalent bonds are an essential part of our everyday lives and play a role in everything from the food we eat to the clothes we wear to the air we breathe.
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