Chemistry

2. A mineral found in some foods
3. A chemical element with the symbol N and atomic number 7
7. A chemical that can dissolve in water, combine with acids to form salts, and make acids less acidic
11. A chemical element with the symbol Li and atomic number 3
12. The chemical element with the symbol H and atomic number 1
13. The smallest particle of a substance that has all of the physical and chemical properties of that substance
14. The quality or condition of being reactive

1. Any basic substance that is used in or produced by a reaction involving changes to atoms or molecules
4. A negatively charged particle
5. A chemical element with the symbol Ti and atomic number 22
6. A chemical substance that cannot be broken down into other substances
8. What is O2
9. a chemical element with the symbol Cu and atomic number 29
10. The second lightest member of the halogen elements
15. The smallest part of an element that can exist.
16. Any atom or group of atoms that bears one or more positive or negative electrical charges