Across
- 2. Any substance that has mass and takes up space by having volume
- 4. A force of attraction that holds atoms or ions together in a molecule or crystal.
- 5. term used for the elements and compounds after chemical reaction takes place
- 8. the smallest unit of ordinary matter that forms a chemical element.
- 9. term used for the elements and compounds before chemical reaction takes place
Down
- 1. When both sides of a chemical equation have the same number of atoms it is __________
- 3. change, Changes affecting the form of a chemical substance, but not its chemical composition.
- 6. If the numbers of each type of atom are different on the two sides of a chemical equation, then the equation is _________
- 7. the amount of matter in any given object