6.2 Quiz Review: Covalent Bonds & Polarity

How many bonds does carbon have to create in order to satisfy the octet rule

• 1
• 2
• 3
• 4

Which bond would be the least polar?

• H-F
• H-O
• H-H
• H-Br

Tags

NGSS.HS-PS1-1

Which bond would be the most polar?

• H-I
• H-Br
• H-Cl
• H-F

Tags

NGSS.HS-PS1-1

What is a polar molecule?

• One that has a partial negatitive on one end and a partial positive on the other
• a molecule with little vibration
• an ionic compound
• the nonpolar bonds are arranged sequentially

Tags

NGSS.HS-PS1-1

What is the force that holds a molecule together?

• opposite charges of ions
• a sea of electrons
• attraction between the nuclei of the atoms and shared electrons
• the strong nuclear force

Compared to ionic compounds, molecular compounds generally have...

• good conductivity
• greater densities
• more chemical bonds
• a low boiling point

Tags

NGSS.HS-PS1-3

Compared to ionic compounds, molecular compounds generally have...

• stronger chemical bonds
• poor conductivity
• a high melting point
• lower densities

Tags

NGSS.HS-PS1-1

NGSS.HS-PS2-6

The chemical bond formed when two atoms share electrons  is called a(an) IONIC bond. 

• True
• False

Covalent bonds usually form when a nonmetal combines with another nonmetal.

• True
• False

In a(an) POLAR bond, one atom pulls on the shared electrons more than the other atom. 

• True
• False