Polarity & IMFs

How do covalent bonds form?

• Donating & receiving valence e- between atoms.
• Opposite slight charges attract each other between compounds.
• Scientists are still not sure how they form.
• Sharing valence e- between atoms.

Determine the molecular geometry of NH₃

• Trigonal Pyramidal

• Bent

• Trigonal Planar

• Tetrahedral

Choose the correct shape for this molecule: CF₄

• linear

• Trigonal pyramidal

• Bent

• Tetrahedral

Choose the correct shape for this molecule: CO₂

• Bent

• Linear

• Tetrahedral

• Trigonal pyramidal

Choose the correct shape for this molecule: OF₂

• Trigonal planar

• Trigonal pyramidal

• Bent

• Linear

What do we call a covalent bond where electrons are shared UNEVENLY or UNEQUALLY?

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

Intermolecular forces for: CS₂

• Dispersion Force

• Dipole dipole

• Hydrogen bonding

Intermolecular forces for: NH₃

• Dispersion Force

• Dipole dipole

• Hydrogen bonding

Will oil (C₂₂H₄₄) and water mix? Why?

• Yes, they are both polar

• No, oil is nonpolar while water is polar

• Yes, oil is polar while water in nonpolar

• No, they are both nonpolar

Which type of IMF is responsible for the attraction pictured above?

• Dipole-Dipole Interaction

• Ion-Dipole Interaction

• Hydrogen Bonds

• Covalent Bond

• Ionic Bond