Across
- 3. What is it polymer?
- 8. 0 Which are noble gases group?
- 9. What is it mean by electrolysis?
- 10. What is it mean proton?
Down
- 1. and break down What is it Thermal decomposition?
- 2. dioxide Which gas produces acid rain?
- 4. a mixture What are Distillation?
- 5. What are shell outside?
- 6. Which of these metals is not a transition metal?
- 7. What is it mean electron?