Across
- 5. is a type of change that form a new substance.
- 6. Is the smallest building unit of matter.
- 7. Is everything around us that has Mass and volume.
- 9. Is calculated by dividing mass and volume
- 10. A state of matter that has definite shape and volume
- 11. A state of matter that has definite volume but indefinite shape.
- 13. is a type of change that keeps the identity of the substance.
Down
- 1. Substances after the chemical reaction.
- 2. Composed of one type of atom.
- 3. Substances before the chemical reaction.
- 4. found inside the atom with positive charge.
- 5. Composed of two or more different atoms.
- 8. combination of element symbols.
- 10. Shows how many atoms for each element.
- 12. found inside the atom with negative charge.