Science Rulez

3. to separate things into its parts or similar compounds
5. a chemical element that lacks metal qualities
6. the species formed from a chemical reaction
8. a substance with high electrical conductivity
10. a subatomic particle with a positive electrical charge
11. any change in matter not affecting it chemical structure
14. the starting materials in a reaction that undergo a chemical change to form a product
16. the combination of ideas to form a theory or system
18. impulse for which a chemical substance undergoes a chemical reaction
19. equating things together
20. array of the chemical elements organized in rows and columns

1. process leading to chemical change
2. a chemical reaction in which one element replaces another in a compound
4. occur when parts of two ionic compounds are exchanged making two new compounds
7. a single replacement reaction replaces one element for another in a compound
9. absorbs energy
12. releases energy
13. mass per unit of volume
15. occur when pairs of electrons are shared by atoms
17. type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound