1. Chemistry

2. Chemistry is the science concerned with the composition, structure, and properties of matter.

3. Atoms are the basic units in chemicals.

4. Atoms are made of subatomic particles. protons (+) neutrons (0) electrons (-)

5. An element is a pure substance made up of only one kind of atom. All matter is made up of elements.

6. Reading the Periodic Table

8. Molecules atoms combine to form molecules, which can be pure elements or combinations of two or more elements. molecules are held together by chemical bonds.

11. NaCl

12. NaCl in Solution

13. Covalent Bonds formed when atoms share electrons sharing can be unequal

15. Chemical Reactions reactants products example: CO 2 + H 2 O  C 6 H 12 O 6 + O 2

16. Acids and Bases