chemisrty
Across
- 1. what you use when doing an experiment
- 4. CO2
- 5. has a positive charge
- 7. what goes down on the periodic table
- 9. helps speed up a chemical reaction
- 10. negatively charged ion
- 11. has no charge
- 15. positively charged ion
- 17. Mg
- 18. something that is composed of two or more separate elements
- 19. what two things are put together to form a compound
- 22. what's in group 18
- 24. rendering something ineffective or balancing it out
- 26. S
- 27. first element on the periodic table
- 29. the amount of space something takes up
Down
- 2. involves two nonmetals
- 3. a product splitting apart
- 6. has a negative charge
- 8. contains lots of hydrogen and carbon
- 12. a compound that is highly known, probably the most popular (literal name)
- 13. something that cannot be destroyed
- 14. involves a metal and a nonmetal
- 15. a reaction that starts a fire
- 16. the overall weight of something
- 20. what happens when you put two things together
- 21. a compound switching out one or both of the elements for another one
- 23. the act of two elements combining
- 25. an element that we need to live
- 28. protects hands from chemicals