Across
- 3. contraction is a decrease in volume as temperature decreases.
- 5. matter with a composition that is always the same.
- 7. _____ formula is a group of chemical symbols and numbers that represent the elements and the number of atoms of each element that make up a compound.
- 9. matter that has definite volume but not shape
- 10. electrically charged gas
Down
- 1. a substance made of only one type of atom.
- 2. a substance that occurs when atoms of two or more different elements bond (join together) together.
- 4. expansion occurs as an increase in volume as temperature increases.
- 6. matter that has definite volume and shape
- 8. matter that has no definite shape or volume
- 11. a small particle that is a building black of matter.