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Intermolecular Forces

Authored by Amy Dahl

Other Sciences

10th - 12th Grade

Used 5K+ times

Intermolecular Forces
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This quiz focuses on intermolecular forces, a fundamental topic in chemistry that bridges molecular structure and physical properties. Designed for grade 10-12 students, these questions assess understanding of the different types of forces that exist between molecules and their relative strengths. Students need to distinguish between intramolecular forces (like covalent bonds within molecules) and intermolecular forces (between separate molecules), and they must identify the four main types: London dispersion forces, dipole-dipole interactions, hydrogen bonding, and ion-dipole forces. The questions require students to analyze molecular structures and determine which intermolecular forces are present based on polarity, electronegativity differences, and the presence of hydrogen bonded to highly electronegative atoms. Students also need to understand the relationship between intermolecular force strength and physical properties like boiling point, applying this knowledge to predict and compare the boiling points of various substances. Created by Amy Dahl, an Other Sciences teacher in the US who teaches grades 10 and 12. This quiz serves as an excellent tool for formative assessment, allowing teachers to quickly gauge student understanding of intermolecular forces concepts before moving on to more complex topics like phase changes or solution chemistry. It works particularly well as a warm-up activity to activate prior knowledge or as a review exercise before unit tests. Teachers can also assign this as homework to reinforce classroom instruction or use it during lab activities where students observe the effects of intermolecular forces firsthand. The quiz aligns with NGSS standards HS-PS1-3, which focuses on planning and conducting investigations to gather evidence about the factors that affect the strength of intermolecular forces, and supports Common Core mathematical practices through scientific reasoning and evidence-based conclusions.

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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is not an intermolecular force?

covalent bonding
hydrogen bonding
London dispersion forces
dipole-dipole forces

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of IMF is present in all substances, regardless of polarity?

London dispersion forces
dipole-dipole forces
ion-dipole forces
hydrogen bonding

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Intermolecular forces are the forces

within molecules
between molecules

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the strongest intermolecular force below"

Ionic
Dispersion
Hydrogen bonding
dipole-dipole

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Type of intermolecular force present in HF.

dipole dipole
dispersion
H-bond
ionic

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Intermolecular force present in CHF3

H bond
dipole dipole
dispersion
ionic

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following has the highest boiling point?

H2
NH3
N2
O2

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