Bonding Together Makes Us Happy!

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-Bonds form when they are reaching their lowest possible energy (the lower the energy, the more stable it is).

-A collection of atoms are more stable than the separate atoms.

Ex: 1652 kJ is released when breaking methane. This takes less energy to break than to break 1 mole of carbon atom and 4 moles of hydrogen atoms, therefore methane is more stable than the separated atoms.

Overview of a Model

- We need to understand the forces that bind atoms together to understand reactions.

- Models are made by man and often wrong.

- Scientists usually patch up the models by adding more detail to fix any flaws.

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Model of Covalent Chemical Bonds