Lemings - chemistry

2. a mathematical relationship or rule expressed in symbols
7. my favorite teacher
8. mass of an atom
10. a substance that can no longer be broken down into smaller pieces
13. a subatomic particle of about the same mass as a proton but without an electric charge
16. a characteristic of a substance that may be observed when it participates in a chemical reaction
18. atoms bonded together
19. the smallest part of any atom
20. reaction where clouds or jelly or solid form
22. mixture is not the same
23. the minor component in a solution

1. mixture is the same
3. what we end with
4. material does change
5. a stable subatomic particle with a charge of negative electricit
6. materials mixed together
9. material doesnt not change
11. a chemist who created the periodic table of elements
12. can be observed or measured without changing the composition of matter
14. a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions
15. able to dissolve in other substances
17. materials we start with
21. a stable subatomic particle occurring in all atomic nuclei