Across
- 3. it is a non metal with the symbol O on the perodictable
- 5. the particles vibrate and chage position
- 7. 3rd Main air we breathe in
- 8. main gas that we breathe in
- 9. has the ph of 7
- 12. all the particles are completely stuck together
- 13. what chemical has the symbol Au
Down
- 1. what is the name with the symbol fe on the periodictable
- 2. first element in the periodictable
- 4. different elements all mixed up
- 6. what does H2O stand for
- 8. the middle of a pen atom
- 10. has a ph higher than 7
- 11. has the ph lower than 7
- 13. all the particles are vibrating and moving around, really fast