Across
- 1. defined as the result of a force acting on a distance
- 4. the smallest identifiable unit of an element
- 7. a state of matter where atoms or molecules are packed close
- 8. anything that occupies space and has mass
Down
- 2. initial substances in a chemical reaction
- 3. a substance composed of tow or more elements
- 5. a state of matter where atoms or molecules are packed close to each other
- 6. substance that cannot be broken down into simpler substances