Remember that in ionic compounds, the atoms gain or lose electrons. In molecular compounds they share electrons.
Next, we talked about the signs that a chemical reaction has occurred. Look at each of these and decide, was it a chemical reaction or not?
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| Cutting up a carrot? |
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| A carrot rotting? |
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| Boiling an egg until it is hard boiled. |
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| Boiling water. |
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| Lighting a campfire. |
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| Explosives going off. |
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| Baking a cake. |
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| Water freezing. |
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| Bending a paper clip. |
Finally we looked at different types of chemical reactions.
Handouts
Here are the different types that you should know:
Synthesis
Decomposition
Single Displacement
Double Displacement
See the handouts for details, examples and practice problems.
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