1. More About Chemical Bonds In your science notebook, copy all question and analysis and provide a complete answer for each.

2. ionic bond covalent bond molecule polar covalent bond Key Vocabulary Valence electrons Copy key vocabulary in your science notebook and define each. You will find information in the reading and in the video clips.

3. Things we know Elements combine to form Compounds Electrons are located in a cloud around the nucleus Atoms can lose or gain electrons to form ions Things we need to figure out How electrons are involved in chemical bonding About the different types of chemical bonds How chemical bonds affect structure

6. Make a note

7. Question: How are ions formed? Question: What type of ions do metals form? Explain Make a note

9. Question: Explain how ions are held together.

11. Click on the link below to learn more about Ionic Bonds Ionic Bonds Question: Explain how an atom become a positive ion and how an atom becomes a negative ion.

13. Question: Just by looking at the name, Explain how you know that Potassium Oxide (K 2 O) is an ionic bond.

16. Click the link below to learn more about covalent bonds. Covalent bonds

17. Question: What is a molecule?

19. Question: Explain why is water (H 2 O) considered a Polar Covalent Bond?

23. Analysis