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| Question | Answer |
|---|---|
| 7. Compound Molecule | molecule with 2 or more elements |
| 1. Law of Conservation of Mass | energy can not be created or disappeared |
| 2. Physical Change | change phycally |
| 3. Chemical Change | change chemically |
| 4. Element | smallest matter of all |
| 5. Chemical Formula | lazy way to write a molecule or elements. |
| 6. Element (Diatomic) Molecule | molecule with only one kind of element |
| 8. Chemical Equation | things such as OK + E = OKE |
| 9. Chemical Reaction | how elements react when they bond. |
| 10. Reactants (in a chemical equation) | left side of the equation |
| 11. Products (in a chemical equation) | right side of the equation |
| 12. Coefficient (in a chemical equation) | Big number in front of the molecule that tells you how many molecule they have. |
| 13. Subscript (in a chemical equation) | from number next to a element that tells you how many elements are there |