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Chemical Reactions
Unit Test 3 - Balancing Equations, Changing Matter
| Term | Definition |
|---|---|
| Chemical Change | A change in which the object being changed its chemical structure is changed. |
| Physical Change | A change in which it is still the same property it is just physically changed. |
| Chemical Property | The ability to change into something new. |
| Physical Property | The characteristics of an object. |
| Synthesis | When you are adding chemicals together to make a compound. |
| Decomposition | When you are breaking apart a compound. |
| Single Replacement | When an element replaces a different chemical in a compound. |
| Double Replacement | When two different atoms in compounds trade places. |
| Atom | What everything is made of, has 3 parts. |
| Molecule | A combination or group of atoms. |
| Conservation of Mass | Matter can never be made or destroyed and all matter has to be equal. |
| Reactants | A + B = AB Usually on the right side What are A and B? |
| Products | A + B = AB Usually on the left side What is AB? |