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