Unit 2: Molecular and Ionic Compound Structure and Properties

Question 1

Where do metallic bonds form?

Answer 1

Metallic bonds are created between 2 metals.

Question 2

In metallic bonds, electrons are ___________ and can move freely between nuclei.

Answer 2

Delocalized

Question 3

Where do ionic bonds form?

Answer 3

Ionic bonds form between a metal and a non metal.

Question 4

Normally, what is the electronegativity difference between 2 elements in a ionic bond?

Answer 4

1.8 or greater.

Question 5

What happens in ionic bonds?

Answer 5

In ionic bonds, electrons are transferred from the metal to the nonmetal

Question 6

Where do covalent bonds form?

Answer 6

Covalent bonds form between 2 nonmetals.

Question 7

What happens in covalent bonding?

Answer 7

The electrons are localized between the 2 nuclei (shared)

Question 8

When are polar covalent bonds formed?

Answer 8

Electronegativity difference of 0.5-1.8

Question 9

When are nonpolar covalent bonds formed

Answer 9

Electronegativity difference of 0.0-0.5

Question 10

In a polar covalent bond, which atom holds the electrons tighter?

Answer 10

The more electronegative one (End of 2.1)