Polar vs Nonpolar covalent bonds

Which electrons are involved in a chemical bond?

• Valence electrons

• Inner shell electrons

• Electrons are not involved in bonding

__________ bonds involve an unequal sharing of electrons, while __________ bonds involve an equal sharing of electrons.

• Nonpolar, polar

• Polar, metallic

• Metallic, nonpolar

• Polar, nonpolar

If sodium and oxygen formed a bond, it would be classified as --

• polar covalent

• nonpolar covalent

• ionic

• metallic

If sodium and oxygen formed a bond, it would be classified as --

• polar covalent

• nonpolar covalent

• ionic

• metallic

The difference in electronegativity affects the type of bond will be formed. What type of bond would be formed with a difference of 0.8?

• Nonpolar Covalent

• Polar Covalent

• Ionic

Diatomic elements are defined as IDENTICAL elements that bond with each other (i.e. Oxygen with Oxygen).  What type of bond should they form?

• Ionic
• Polar Covalent
• Nonpolar Covalent
• Van der Waals force

True or False: The smaller the difference in electronegativity, the more polar the bond

• True

• False

Which covalent bond will be the MOST polar?

• P - F

• Br - Br

• H - O

• C - S

Phosphorus has an electronegativity value of 2.1. Chlorine's electronegativity value is 3.0. What type of bond will these two elements form?

• ionic

• nonpolar covalent

• polar covalent

• metallic

Which type of bond is formed between two nonmetals?

• Ionic

• Covalent

• Metallic