Unit 6: Intermolecular Forces

What information do we look for on the periodic table if we want to examine intermolecular forces?

• atomic mass

• atomic number

• electronegativity

• ionization

Which of the following will take the longest to evaporate?

• CH₃CH₂OH

• CH₃OH

• CH₃CH₃

Salt dissolves in water because

• The water molecules wiggle between the Na and Cl atoms

• Water gets warm and moves around too much

• The polar areas of water molecules stick to the Na and CL ions

Is this molecule polar or non-polar?

• polar

• non-polar

Is this molecule polar or non-polar?

• Polar

• Non-polar

Tags

NGSS.HS-PS1-1

Is this molecule polar or non-polar?

• Polar

• Non-polar

Tags

NGSS.HS-PS1-2

Is this molecule polar or non-polar?

• Non-polar

• Polar

Tags

NGSS.HS-PS1-1

If fluorine is stronger then carbon, what charge will the fluorine receive?

• negative
• slight negative
• positive
• slight positive

Intermolecular forces are the forces

• within molecules
• between molecules

A dipole bond is said to be _____ _____.

• polar non-covalent 
• non-polar covalent 
• polar covalent