IMFs, Solids, and Liquids Packet 1 Quiz Review

From point A to point F, the sample is going through an __________ process by __________.

• exothermic, releasing heat to the surroundings

• exothermic, absorbing heat from the surroundings

• endothermic, releasing heat to the surroundings

• endothermic, absorbing heat from the surroundings

What are intermolecular forces?

• Forces that attract electrons (-) to protons (+)

• Forces that happen when an molecule has too many electrons

• Forces of attraction between 2 or more molecules

• Forces of attraction between 2 or more atoms in a molecule

___________ are the weakest IMFs

• Hydrogen Bonds

• Dipole-Dipole Forces

• London Dispersion Forces

Given the heating curve of a solid being heated at a constant rate, what is the boiling point of this substance?

• 20°C

• 50°C

• 110°C

• 170°C

Which of the following molecules is/are polar? (mark all that apply)

• 
• 
• 
• 

Which is the stronger intermolecular force present in I₂, Br₂, and Cl₂.

• dipole-dipole force

• hydrogen bond

• london dispersion force

• metallic bond

solids have __________ IMFs compared to liquids and gases

• stronger

• weaker

True or False: Intermolecular forces are weaker than intramolecular forces

• True

• False

Which noble gas has the highest boiling point?

• Xe
• Kr
• Ar
• He

Endothermic phase changes absorb energy and

• weaken/break IMFs

• strengthen/form IMFs