SCIENCE
Across
- 3. receive hydrogen ions
- 6. metals in group 1 on periodic table
- 7. has a positive charge
- 8. molecule that contains 2 or more different atoms
- 12. has a negative charge
- 13. when a single compound breaks down into 2 or more simpler products
- 15. pure substances that have there own properties
- 17. an example of oxidation
Down
- 1. table of the elements
- 2. row on the periodic table
- 4. 2 or more products combine to produce a single new substance
- 5. symbol of Al
- 9. column on the periodic table
- 10. liquid that releases positively charged hydrogen ions
- 11. bunch of atoms stuck together
- 14. has a neutral/no charge
- 16. contains proton and neutrons