1. Which atoms have the highest electronegativity in these molecules?
Do Now
Which atoms have the highest electronegativity in these molecules?

2. Do all nonmetals share electrons equally?
Aim
Do all nonmetals share electrons equally?

3. Introduction

4. Introduction

5. New Idea: Polar Covalent Bonds

6. Bond Character H C N O Cl

7. Bond Character H C N O Cl

8. Your turn!
Identify each bond on your sheet as ionic, polar covalent, or non-polar covalent

9. Regents Review, Round 1
Which atom pair represents a polar covalent bond?
Sodium and chlorine
Iron and aluminum
Nitrogen and nitrogen
Oxygen and carbon

10. Regents Review, Round 2
Which type of bond is formed between the two chlorine atoms in a chlorine molecule?
polar covalent
Metallic
nonpolar covalent
ionic

11. Regents Review, Round 3
Which type of bond is present in a water molecule?
polar covalent
nonpolar covalent
Ionic
electrovalent

12. Regents Review, Round 4
When two atoms form a chemical bond by sharing electrons, the resulting molecule will be
polar, only
nonpolar, only
either polar or nonpolar
neither polar nor nonpolar