Chemistry
Across
3. composed of only one type of atom
5. dissolving medium
6. material that is dissolved
11. unevenly charged covalent bonds
12. particle with a negative charge
13. different number of electrons
15. pH below 7
17. different number of neutrons
19. sharing electrons
24. particle with a positive charge
Down
1. number of protons + the number of neutrons
2. number of protons
4. smallest unit of chemically bonded atoms
6. uneven mixture of material that can settle to the out
7. outer shell of an atom
8. particle with no charge
9. smallest unit of an element
10. emulsion or gel
14. pH above 7
16. chemically bonded elements
18. taking electrons
20. weighted average of all isotopes
21. anything that prevents dramatic changes in pH
22. evenly charged covalent bonds
23. homogenous mixtures of compounds