[Trinh Chem] Big Idea 7: Attractive Forces

Intermolecular forces are the forces

• Within molecules

• Between molecules

Br₂ is linear and nonpolar. Which is its dominant IMF?

• LDF

• Dipole-dipole

• Hydrogen bonding

HF is linear and polar. Which is its dominant IMF?

• LDF

• Dipole-dipole

• Hydrogen bonding

Which lists the IMF's in order from weakest to strongest?

• Hydrogen bonding, dipole-dipole, LDF

• Dipole-dipole, LDF, hydrogen bonding

• LDF, dipole-dipole, hydrogen bonding

• Dipole-dipole, hydrogen bonding, LDF

Intermolecular forces for: NH₃

• Dispersion Force

• Dipole dipole

• Hydrogen bonding

Which of the following will NOT have hydrogen bonding?

• 
• 
• 
• 

In a polar covalent bond, the electrons gather around...

• Mostly the atom with the greatest electronegativity

• The atom with the lowest electronegativity

• Each atom equally

• Only the atom with the greatest electronegativity

The polarity of a bond is determined by...

• The sum of the electronegativities of the two atoms

• The difference in the electronegativities of the two atoms

• The charges of the atoms

• The number of electrons shared in the bond

Which intermolecular force results from a hydrogen bonded to O, F or N?

• Dipole-Dipole

• Hydrogen Bonding

• London Dispersion

• Ion-Dipole

What does it mean when a substance is polar?

• The substance originated at one of the planets poles

• The substance has no charges

• The substance has full charges

• The substance has partial charges