Community Chemistry 5
Across
- 5. Element that has lost an electron from its outer shell
- 6. Ionic compound with a 1:1 ratio of anion to cation
- 7. Inert element that does not react with others
- 8. Most useful scientific tool; home to elements
- 11. Chemical reaction that needs energy to proceed
- 13. Chemical bonding of two charged particles
- 14. Number of valence electrons held by all alkili metals
- 15. Most reactive metals in periodic table
- 16. Says that each element is going to try to fill shell
- 18. What you have before a chemical reaction
Down
- 1. Element whose outer shell gained an electron
- 2. Energy that is key to salt formation
- 3. Chemical reaction in which energy is a product
- 4. Any electron in the outer shell
- 9. Energy needed to remove or add an electron
- 10. Compounds that exist as gasses at room temperature
- 12. Most reactive non metal group
- 17. The result of a chemical reaction