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INTERMOLECULAR FORCES

Authored by USRI MOHAMED

Chemistry

11th Grade

NGSS covered

Used 7K+ times

INTERMOLECULAR FORCES
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This quiz comprehensively covers intermolecular forces and bonding theory, topics fundamental to 11th-grade chemistry. Students must demonstrate mastery of the three primary intermolecular forces: London dispersion forces, dipole-dipole interactions, and hydrogen bonding, while understanding their relative strengths and identifying which forces operate in specific molecular compounds. The questions require students to analyze molecular structures, recognize electronegativity differences, identify polar bonds, and predict the presence of hydrogen bonding based on the attachment of hydrogen to nitrogen, oxygen, or fluorine atoms. Students need solid foundational knowledge of molecular geometry, polarity, and electron distribution to successfully distinguish between different bonding types including ionic, covalent network, and metallic bonding. The quiz also tests understanding of specialized models like the electron sea theory for metallic bonding and requires students to connect intermolecular force strength to macroscopic properties such as melting and boiling points. Created by Usri Mohamed, a Chemistry teacher in Kazakhstan who teaches grade 11. This quiz serves as an excellent formative assessment tool to gauge student understanding of chemical bonding concepts before moving into more advanced topics like phase changes and solution chemistry. Teachers can effectively use this quiz as a warm-up activity to review previously covered material, as guided practice during instruction, or as homework to reinforce classroom learning. The varied question formats, from simple yes/no identification questions to more complex comparative analysis problems, make it ideal for differentiated instruction and allow teachers to quickly identify specific misconceptions about intermolecular forces. This assessment aligns with NGSS HS-PS1-3, which requires students to plan and conduct investigations to gather evidence comparing ionic and molecular compounds, and supports Common Core mathematical practices by requiring students to analyze molecular structures and make evidence-based predictions about physical properties.

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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What explains the very high melting and boiling point of water

Strong dipole-dipole bonds between water molecules
Strong hydrogen bonds between water molecules
Dispersion forces which are present in all molecules
Asymmetrical shape of the polar bonds.

Tags

NGSS.MS-PS1-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Hydrogen bonding occurs when hydrogen is bonded to N, O, or F.  Which of the following has hydrogen bonding?

CBr4
NO2
H2S
NH3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Does H2O have hydrogen bonding?

yes
no

Tags

NGSS.HS-PS1-3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Does HF have hydrogen bonding?

yes
no

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Does HCl have hydrogen bonding?

yes
no

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Does CH4 have hydrogen bonding?

yes
no

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Does NH3 have hydrogen bonding?

yes
no

Tags

NGSS.HS-PS2-6

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