Across
- 4. does not mix, opposite
- 5. force that holds atoms together
- 7. electrons are transferred
- 13. pure substance
- 15. electrons in the outer shell
- 17. center of an atom
- 20. two or more elements
- 21. substance you start with
- 23. positively charged
- 25. one substance dissolves in another
- 26. water
- 27. substance being dissolved
- 28. number of protons in an element
Down
- 1. no new substance is formed
- 2. how much mass is in a certain amount of volume
- 3. protons and neutrons
- 6. two or more substances that are combined
- 7. atom with a charge
- 8. number placed in front of the formula
- 9. does mix, same
- 10. substance you end with
- 11. takes up space
- 12. creates a new substance
- 14. negatively charged
- 16. amount of solute in a given solution
- 18. neutral, no charge
- 19. electrons are shared
- 22. substance that does the dissolving
- 24. small number inside a formula