7th Grade Chemistry
Across
- 2. a chemical change that happens when certain metals react with O2
- 4. the smallest unit that makes up all matter
- 6. the name of the element with the symbol Cl
- 7. a physical property that shows shininess
- 8. anything with mass and volume that takes up space
- 14. negatively charged particles in an atom
- 16. a chemical property that can be shown by running a pH test
- 17. made when two or more different elements are chemically bonded
- 18. the formula to find this physical property is d=m/v
Down
- 1. positively charged particles in an atom
- 3. the name of the element with the symbol Na
- 5. the name of the element with the symbol O
- 6. the name of the element with the symbol C
- 9. a new solid formed during a chemical reaction
- 10. a physical property that turns water into ice
- 11. the name of the element with the symbol H
- 12. properties that can be observed using the 5 senses
- 13. particles in an atom with no positive or negative charge
- 15. properties that are only observed in a chemical reaction