1. Valence Electrons Unit 5 – Bonding Mrs. Callender

2. What are Valence Electrons and What are Their Uses? Lesson Essential Question:

3. Valence Electrons They are electrons in the outermost shell. They are used in bonding.

5. Dot Designations Valence Electrons can be represented by Lewis Dot Structures. 1 valence e- 4 valence e- 3 valence e- 2 valence e- 7 valence e-6 valence e-5 valence e-8 valence e- X X X X X XXX

6. Dot Designations For Period 3 Write the Lewis Dot Structures for the elements in Period 3. 1 valence e- 4 valence e- 3 valence e- 2 valence e- 7 valence e-6 valence e-5 valence e-8 valence e- Na P SiMg S Cl Ar Al