Across
- 4. water droplets get bigger and bigger
- 6. the number under the element symbol; total of protons and neutrons in a element nucleus
- 9. a bunch of stuff put together
- 11. smallest thing
- 12. something that changes because of a chemical change
Down
- 1. a substance found on the periodic table
- 2. something we can observe with our 5 senses
- 3. the result or end of a process
- 5. the same kind
- 7. the person who made the periodic table
- 8. what is made by mixing things together
- 10. substance that changes