Across
- 3. Has no electrical charge
- 6. Things that go into a chemical reaction
- 9. The core of an atom
- 13. Hard shiny malleable ductile
- 14. A gas like neon
- 16. The atoms have to be the same before and after the reaction has taken place
- 17. Capital and lower case letter on the perodic table
- 18. Path that electrons follow
- 19. A reaction that takes heat in from the enviroment
- 21. Has a negative electrical charge
- 22. In a liquid chemical reaction at the bottom their is sometimes a ...
- 24. 6 rows on the perodic table
- 26. 18 columns on the perodic table
- 27. 2 or more seperate elements bonded togeather
Down
- 1. On the perodic table
- 2. Like carbon
- 4. Positive electrical charge
- 5. Helps form a chemical bond
- 7. A group of atoms bonded togeather
- 8. Put togeather the perodic table
- 10. Understood the atomic structure
- 11. Number of protons in an element
- 12. Like silicon
- 15. Total mass of an element
- 20. A reaction that gives off heat
- 23. Sodium and Chlorine make salt which is a ....
- 25. Small part of an element