Across
- 5. is a chemical bond type
- 6. What are elements made of?
- 9. How are chemical bonds created?
- 11. is the molecular mass of water (H20)?
- 12. Which of the types of chemical reactions is: Al+02 - Al203
- 15. What are chemical bonds?
- 16. How can components in a mixture be separated?
- 17. an example of a chemical reaction?
- 19. What are molecules?
- 21. a type of chemical bonds exist?
- 23. Matter does not leave or enter the system
- 24. How many times of chemical bonds exist?
- 25. example of a chemical reaction
Down
- 1. All acidity, toxicity, tendency and oxidation are examples of _____
- 2. the most abundant element in the universe?
- 3. what is the mole number?
- 4. Takes energy; form more bonds
- 7. two or more reactants combine to form one
- 8. factors can affect the rate of a chemical reaction?
- 10. Matter does not leave or enter the system
- 13. Chemical reaction in the industry
- 14. an example of a chemical reaction
- 18. a way you can identify a chemical change
- 20. example of a physical change
- 22. Which of the types of chemical reactions is: Fe+H2SO4 - Fe(SO4)3+H2