Properties and Attractive Forces

Properties and Attractive Forces

Review HW #025

Open Ended

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This image and the question will appear on the next slide for you to answer.

Multiple Choice

Which molecule is nonpolar?

Multiple Select

Which molecules are polar? Mark all correct answers.

• HF

• HBr

• Br₂

Open Ended

Why will molecules of HBr and HF have higher boiling points than Br₂? Avoid saying "because they are polar"

Hydrogen Bonding is "FON"

Hydrogen bonding occurs when H is bonded to an atom of F, O or N.

The partial positive H atom on 1 molecule is attracted to the very electronegative atom (F,O,N) on another molecule

Multiple Select

Which molecules have hydrogen bonding as an intermolecular attraction? Mark all correct answers

• HF

• CH₄

• H₂S

• CH₃OH

Which liquid evaporates first?

Watch the video again linked in the chat.

• acetone

• ethanol

• water

Multiple Choice

Which liquid evaporated first?

• acetone

• ethanol

• water

Fill in the Blanks